diff --git a/.changelog/unreleased/breaking-changes/3548-cometbft-0.38.md b/.changelog/unreleased/breaking-changes/3548-cometbft-0.38.md
new file mode 100644
index 0000000000..d2b1f2e5bf
--- /dev/null
+++ b/.changelog/unreleased/breaking-changes/3548-cometbft-0.38.md
@@ -0,0 +1,2 @@
+- Update to tendermint-rs 0.33 and ibc-proto 0.33
+  ([\#3548](https://github.com/informalsystems/hermes/issues/3548))
diff --git a/.changelog/unreleased/improvements/ibc-relayer/3548-cometbft-0.38.md b/.changelog/unreleased/improvements/ibc-relayer/3548-cometbft-0.38.md
new file mode 100644
index 0000000000..803bdc5fa8
--- /dev/null
+++ b/.changelog/unreleased/improvements/ibc-relayer/3548-cometbft-0.38.md
@@ -0,0 +1,2 @@
+- Regard the `finalize_block_events` field of the `block_results` RPC endpoint, added in CometBFT 0.38
+  ([\#3548](https://github.com/informalsystems/hermes/issues/3548))
diff --git a/Cargo.lock b/Cargo.lock
index 6f8b3bcacd..02a3d79b95 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1441,9 +1441,9 @@ dependencies = [
 
 [[package]]
 name = "ibc-proto"
-version = "0.32.1"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11c352715b36685c2543556a77091fb16af5d26257d5ce9c28e6756c1ccd71aa"
+checksum = "59d0bc49ee5fc8e5d0e668765d470cb201fd0cdee4166f49c6cbcf3100466137"
 dependencies = [
  "base64 0.21.2",
  "bytes",
@@ -3306,9 +3306,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a46ec6b25b028097ab682ffae11d09d64fe1e2535833b902f26a278a0f88a705"
+checksum = "f6d550db02d6bec4ebcbbebc4301ec22181bc489c37fb3f167e64b14c1be8321"
 dependencies = [
  "bytes",
  "digest 0.10.7",
@@ -3337,9 +3337,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-config"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7dbb7610ef8422d5886116868e48ab6a9ea72859b3bf9021c6d87318e5600225"
+checksum = "36a787b139f314c92756becbcae855bef6772227d97d8ecee948ad90327fe6e7"
 dependencies = [
  "flex-error",
  "serde",
@@ -3351,9 +3351,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-light-client"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9940a1376b5c1e3e5759143bc4308a7114f6293167ca5f05365d3386389de0ff"
+checksum = "b5907c615802bcd54a9e209caada2abe9b945fb1031744d7c8643996239cec6e"
 dependencies = [
  "contracts",
  "crossbeam-channel 0.4.4",
@@ -3376,9 +3376,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-light-client-detector"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "765f272201f8dd04067498421b68a449a48623bf8f4df69b7e50071bec193daf"
+checksum = "af6153c010c32cbd4ff8f97f106c66da773343808965fe4b74ca365c370d426f"
 dependencies = [
  "contracts",
  "crossbeam-channel 0.4.4",
@@ -3400,9 +3400,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-light-client-verifier"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4bc4c47cf36e740645e04128bd14ff5723aef86f5377fbd4d3b0149198dfc7e"
+checksum = "6bc1e4e3dd6f65cfa7979cf721b5afa1d79d32c4a2fe5fddb6416a98638634a9"
 dependencies = [
  "derive_more",
  "flex-error",
@@ -3413,9 +3413,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-proto"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ce23c8ff0e6634eb4c3c4aeed45076dc97dac91aac5501a905a67fa222e165b"
+checksum = "1834fa2eb884ba69b9c0eea55f0178270bed421217596ca4e54c19ef75dcb660"
 dependencies = [
  "bytes",
  "flex-error",
@@ -3431,9 +3431,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-rpc"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd2cc789170db5a35d4e0bb2490035c03ef96df08f119bee25fd8dab5a09aa25"
+checksum = "03f8ff62948110e58d6df12c3bb73a00e74553384255d6413deed4c21d7480bf"
 dependencies = [
  "async-trait",
  "async-tungstenite",
@@ -3467,9 +3467,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-testgen"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "023911e751fea64f20cd13bb9e15b5aae283aa3c7aaeb7e9bec1512032b32c99"
+checksum = "23a1e92079f943bdb0868795e9550c5185b8d0c6222be1475548314cf4f44c49"
 dependencies = [
  "ed25519-consensus",
  "gumdrop",
diff --git a/Cargo.toml b/Cargo.toml
index 4a4c5cd801..751221bc3a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,10 +23,10 @@ overflow-checks = true
 
 [patch.crates-io]
 # ibc-proto                        = { git = "https://github.com/cosmos/ibc-proto-rs.git",       branch = "main" }
-# tendermint                       = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "romac/new-misbehavior-detector" }
-# tendermint-rpc                   = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "romac/new-misbehavior-detector" }
-# tendermint-proto                 = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "romac/new-misbehavior-detector" }
-# tendermint-light-client          = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "romac/new-misbehavior-detector" }
-# tendermint-light-client-verifier = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "romac/new-misbehavior-detector" }
-# tendermint-light-client-detector = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "romac/new-misbehavior-detector" }
-# tendermint-testgen               = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "romac/new-misbehavior-detector" }
+# tendermint                       = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "main" }
+# tendermint-rpc                   = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "main" }
+# tendermint-proto                 = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "main" }
+# tendermint-light-client          = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "main" }
+# tendermint-light-client-verifier = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "main" }
+# tendermint-light-client-detector = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "main" }
+# tendermint-testgen               = { git = "https://github.com/informalsystems/tendermint-rs.git", branch = "main" }
diff --git a/crates/chain-registry/Cargo.toml b/crates/chain-registry/Cargo.toml
index d92172ec34..890f2af979 100644
--- a/crates/chain-registry/Cargo.toml
+++ b/crates/chain-registry/Cargo.toml
@@ -12,9 +12,12 @@ description  = """
 """
 
 [dependencies]
-ibc-proto         = { version = "0.32.1" }
+ibc-proto         = { version = "0.33.0" }
 ibc-relayer-types = { version = "0.25.0", path = "../relayer-types" }
-tendermint-rpc    = { version = "0.32.0", features = ["http-client", "websocket-client"] }
+tendermint-rpc = { version = "0.33.0", features = [
+    "http-client",
+    "websocket-client",
+] }
 
 async-trait = "0.1.72"
 flex-error  = { version = "0.4.4", default-features = false }
diff --git a/crates/relayer-cli/Cargo.toml b/crates/relayer-cli/Cargo.toml
index 7b7162da82..941553c9cb 100644
--- a/crates/relayer-cli/Cargo.toml
+++ b/crates/relayer-cli/Cargo.toml
@@ -57,15 +57,15 @@ tracing-subscriber       = { version = "0.3.14", features = ["fmt", "env-filter"
 time                     = "0.3"
 
 [dependencies.tendermint]
-version = "0.32.0"
+version = "0.33.0"
 features = ["secp256k1"]
 
 [dependencies.tendermint-rpc]
-version = "0.32.0"
+version = "0.33.0"
 features = ["http-client", "websocket-client"]
 
 [dependencies.tendermint-light-client-verifier]
-version = "0.32.0"
+version = "0.33.0"
 
 [dependencies.abscissa_core]
 version = "=0.6.0"
diff --git a/crates/relayer-types/Cargo.toml b/crates/relayer-types/Cargo.toml
index 99469151f4..33f957310a 100644
--- a/crates/relayer-types/Cargo.toml
+++ b/crates/relayer-types/Cargo.toml
@@ -24,7 +24,7 @@ mocks = ["tendermint-testgen", "clock"]
 
 [dependencies]
 # Proto definitions for all IBC-related interfaces, e.g., connections or channels.
-ibc-proto = { version = "0.32.1" }
+ibc-proto = { version = "0.33.0" }
 ics23 = { version = "0.10.1", features = ["std", "host-functions"] }
 time = { version = "0.3" }
 serde_derive = { version = "1.0.104" }
@@ -44,18 +44,18 @@ dyn-clone = "1.0.12"
 num-rational = "0.4.1"
 
 [dependencies.tendermint]
-version = "0.32.0"
+version = "0.33.0"
 features = ["clock"]
 
 [dependencies.tendermint-proto]
-version = "0.32.0"
+version = "0.33.0"
 
 [dependencies.tendermint-light-client-verifier]
-version = "0.32.0"
+version = "0.33.0"
 features = ["rust-crypto"]
 
 [dependencies.tendermint-testgen]
-version = "0.32.0"
+version = "0.33.0"
 optional = true
 
 [dev-dependencies]
@@ -63,5 +63,5 @@ env_logger = "0.10.0"
 tracing = { version = "0.1.36", default-features = false }
 tracing-subscriber = { version = "0.3.14", features = ["fmt", "env-filter", "json"] }
 test-log = { version = "0.2.10", features = ["trace"] }
-tendermint-rpc = { version = "0.32.0", features = ["http-client", "websocket-client"] }
-tendermint-testgen = { version = "0.32.0" } # Needed for generating (synthetic) light blocks.
+tendermint-rpc = { version = "0.33.0", features = ["http-client", "websocket-client"] }
+tendermint-testgen = { version = "0.33.0" } # Needed for generating (synthetic) light blocks.
diff --git a/crates/relayer-types/src/test_utils.rs b/crates/relayer-types/src/test_utils.rs
index f02467cc53..ea52217f22 100644
--- a/crates/relayer-types/src/test_utils.rs
+++ b/crates/relayer-types/src/test_utils.rs
@@ -19,6 +19,7 @@ pub fn default_consensus_params() -> consensus::Params {
             pub_key_types: vec![Algorithm::Ed25519],
         },
         version: Some(consensus::params::VersionParams::default()),
+        abci: consensus::params::AbciParams::default(),
     }
 }
 
diff --git a/crates/relayer/Cargo.toml b/crates/relayer/Cargo.toml
index 85638f733e..8aff2745c7 100644
--- a/crates/relayer/Cargo.toml
+++ b/crates/relayer/Cargo.toml
@@ -20,7 +20,7 @@ default   = ["flex-error/std", "flex-error/eyre_tracer"]
 telemetry = ["ibc-telemetry"]
 
 [dependencies]
-ibc-proto         = { version = "0.32.1" }
+ibc-proto         = { version = "0.33.0" }
 ibc-telemetry     = { version = "0.25.0", path = "../telemetry", optional = true }
 ibc-relayer-types = { version = "0.25.0", path = "../relayer-types", features = ["mocks"] }
 
@@ -84,20 +84,20 @@ version = "0.4.1"
 features = ["num-bigint", "serde"]
 
 [dependencies.tendermint]
-version = "0.32.0"
+version = "0.33.0"
 features = ["secp256k1"]
 
 [dependencies.tendermint-rpc]
-version = "0.32.0"
+version = "0.33.0"
 features = ["http-client", "websocket-client"]
 
 [dependencies.tendermint-light-client]
-version = "0.32.0"
+version = "0.33.0"
 default-features = false
 features = ["rpc-client", "secp256k1", "unstable"]
 
 [dependencies.tendermint-light-client-detector]
-version = "0.32.0"
+version = "0.33.0"
 default-features = false
 
 [dev-dependencies]
@@ -108,4 +108,4 @@ tracing-subscriber = { version = "0.3.14", features = ["fmt", "env-filter", "jso
 test-log = { version = "0.2.10", features = ["trace"] }
 
 # Needed for generating (synthetic) light blocks.
-tendermint-testgen = { version = "0.32.0" }
+tendermint-testgen = { version = "0.33.0" }
diff --git a/crates/relayer/src/chain/cosmos.rs b/crates/relayer/src/chain/cosmos.rs
index 29c89cc7bf..ba67840dd1 100644
--- a/crates/relayer/src/chain/cosmos.rs
+++ b/crates/relayer/src/chain/cosmos.rs
@@ -762,9 +762,6 @@ impl CosmosSdkChain {
         );
         crate::telemetry!(query, self.id(), "query_block");
 
-        let mut begin_block_events = vec![];
-        let mut end_block_events = vec![];
-
         let tm_height =
             tendermint::block::Height::try_from(block_height.revision_height()).unwrap();
 
@@ -775,24 +772,32 @@ impl CosmosSdkChain {
         let response_height = ICSHeight::new(self.id().version(), u64::from(response.height))
             .map_err(|_| Error::invalid_height_no_source())?;
 
-        begin_block_events.append(
-            &mut response
-                .begin_block_events
-                .unwrap_or_default()
-                .iter()
-                .filter_map(|ev| filter_matching_event(ev, request, seqs))
-                .map(|ev| IbcEventWithHeight::new(ev, response_height))
-                .collect(),
-        );
+        let begin_block_events = response
+            .begin_block_events
+            .unwrap_or_default()
+            .iter()
+            .filter_map(|ev| filter_matching_event(ev, request, seqs))
+            .map(|ev| IbcEventWithHeight::new(ev, response_height))
+            .collect();
+
+        let mut end_block_events: Vec<_> = response
+            .end_block_events
+            .unwrap_or_default()
+            .iter()
+            .filter_map(|ev| filter_matching_event(ev, request, seqs))
+            .map(|ev| IbcEventWithHeight::new(ev, response_height))
+            .collect();
 
-        end_block_events.append(
-            &mut response
-                .end_block_events
-                .unwrap_or_default()
+        // Since CometBFT 0.38, block events are returned in the
+        // finalize_block_events field and the other *_block_events fields
+        // are no longer present. We put these in place of the end_block_events
+        // in older protocol.
+        end_block_events.extend(
+            response
+                .finalize_block_events
                 .iter()
                 .filter_map(|ev| filter_matching_event(ev, request, seqs))
-                .map(|ev| IbcEventWithHeight::new(ev, response_height))
-                .collect(),
+                .map(|ev| IbcEventWithHeight::new(ev, response_height)),
         );
 
         Ok((begin_block_events, end_block_events))
diff --git a/crates/relayer/src/chain/cosmos/query/tx.rs b/crates/relayer/src/chain/cosmos/query/tx.rs
index 92f2f49e34..f5ad53ea6d 100644
--- a/crates/relayer/src/chain/cosmos/query/tx.rs
+++ b/crates/relayer/src/chain/cosmos/query/tx.rs
@@ -198,47 +198,46 @@ pub async fn query_packets_from_block(
         .await
         .map_err(|e| Error::rpc(rpc_address.clone(), e))?;
 
-    let mut tx_events = vec![];
-    let mut begin_block_events = vec![];
-    let mut end_block_events = vec![];
+    let mut events: Vec<_> = block_results
+        .begin_block_events
+        .unwrap_or_default()
+        .iter()
+        .filter_map(|ev| filter_matching_event(ev, request, &request.sequences))
+        .map(|ev| IbcEventWithHeight::new(ev, height))
+        .collect();
 
     if let Some(txs) = block_results.txs_results {
         for tx in txs {
-            tx_events.append(
-                &mut tx
-                    .events
+            events.extend(
+                tx.events
                     .iter()
                     .filter_map(|ev| filter_matching_event(ev, request, &request.sequences))
-                    .map(|ev| IbcEventWithHeight::new(ev, height))
-                    .collect(),
+                    .map(|ev| IbcEventWithHeight::new(ev, height)),
             )
         }
     }
 
-    begin_block_events.append(
-        &mut block_results
-            .begin_block_events
+    events.extend(
+        block_results
+            .end_block_events
             .unwrap_or_default()
             .iter()
             .filter_map(|ev| filter_matching_event(ev, request, &request.sequences))
-            .map(|ev| IbcEventWithHeight::new(ev, height))
-            .collect(),
+            .map(|ev| IbcEventWithHeight::new(ev, height)),
     );
 
-    end_block_events.append(
-        &mut block_results
-            .end_block_events
-            .unwrap_or_default()
+    // Since CometBFT 0.38, block events are returned in the
+    // finalize_block_events field and the other *_block_events fields
+    // are no longer present. We put these in place of the end_block_events
+    // in older protocol.
+    events.extend(
+        block_results
+            .finalize_block_events
             .iter()
             .filter_map(|ev| filter_matching_event(ev, request, &request.sequences))
-            .map(|ev| IbcEventWithHeight::new(ev, height))
-            .collect(),
+            .map(|ev| IbcEventWithHeight::new(ev, height)),
     );
 
-    let mut events = begin_block_events;
-    events.append(&mut tx_events);
-    events.append(&mut end_block_events);
-
     Ok(events)
 }
 
diff --git a/crates/relayer/src/event/source/websocket/extract.rs b/crates/relayer/src/event/source/websocket/extract.rs
index 97ff858a98..ad8db55b6a 100644
--- a/crates/relayer/src/event/source/websocket/extract.rs
+++ b/crates/relayer/src/event/source/websocket/extract.rs
@@ -129,7 +129,9 @@ pub fn extract_events(
     let events = events.ok_or("missing events")?;
 
     match data {
-        RpcEventData::NewBlock { block, .. } if query == queries::new_block().to_string() => {
+        RpcEventData::NewBlock { block, .. } | RpcEventData::LegacyNewBlock { block, .. }
+            if query == queries::new_block().to_string() =>
+        {
             let height = Height::new(
                 ChainId::chain_version(chain_id.to_string().as_str()),
                 u64::from(block.as_ref().ok_or("tx.height")?.header.height),
diff --git a/crates/telemetry/Cargo.toml b/crates/telemetry/Cargo.toml
index 48b642b03e..5a95936263 100644
--- a/crates/telemetry/Cargo.toml
+++ b/crates/telemetry/Cargo.toml
@@ -28,5 +28,5 @@ tokio                    = "1.26.0"
 tracing                  = "0.1.36"
 
 [dependencies.tendermint]
-version = "0.32.0"
+version = "0.33.0"
 default-features = false
diff --git a/docs/spec/relayer/Data-Requirements.md b/docs/spec/relayer/Data-Requirements.md
index f28390728c..36bce67484 100644
--- a/docs/spec/relayer/Data-Requirements.md
+++ b/docs/spec/relayer/Data-Requirements.md
@@ -110,12 +110,13 @@ Also for `write_acknowledgement` packet events.
 Used in two situations ([diagram for reference](https://app.excalidraw.com/l/4XqkU6POmGI/9jbKsT6mHxf)):
 
 1. Similar to point (4) from `/tx_search`: Used In conjunction with `block_search` and `tx_search` for periodic packet clearing.
-    - Pattern: `/block_results?height=X` where X is a specific height, obtained with `block_results`, where a block has relevant packet events. Only `begin_block_events` and `end_block_events` are used in this case.
+    - Pattern: `/block_results?height=X` where X is a specific height, obtained with `block_results`, where a block has relevant packet events. Only `begin_block_events` and `end_block_events` are used in this case. Since CometBFT 0.38, these fields are replaced with `finalize_block_events`.
 2. For CLIs `tx packet-recv` and `tx packet-ack` when the user passes the flag `--packet-data-query-height=X`.
 
 **Response fields used:**
-- `begin_block_events`
-- `end_block_events`
+- `begin_block_events` (before CometBFT 0.38)
+- `end_block_events` (before CometBFT 0.38)
+- `finalize_block_events` (since CometBFT 0.38)
 - `height`
 - `tx_results[].events`
 
diff --git a/tools/check-guide/Cargo.lock b/tools/check-guide/Cargo.lock
index 4dfc564388..307ef5a3c0 100644
--- a/tools/check-guide/Cargo.lock
+++ b/tools/check-guide/Cargo.lock
@@ -187,9 +187,9 @@ dependencies = [
 
 [[package]]
 name = "async-trait"
-version = "0.1.71"
+version = "0.1.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a564d521dd56509c4c47480d00b80ee55f7e385ae48db5744c67ad50c92d2ebf"
+checksum = "cc6dde6e4ed435a4c1ee4e73592f5ba9da2151af10076cc04858746af9352d09"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -340,9 +340,9 @@ checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
 
 [[package]]
 name = "bitcoin"
-version = "0.30.0"
+version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b36f4c848f6bd9ff208128f08751135846cc23ae57d66ab10a22efff1c675f3c"
+checksum = "4e99ff7289b20a7385f66a0feda78af2fc119d28fb56aea8886a9cd0a4abdd75"
 dependencies = [
  "bech32",
  "bitcoin-private",
@@ -920,9 +920,9 @@ dependencies = [
 
 [[package]]
 name = "dyn-clone"
-version = "1.0.11"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68b0cf012f1230e43cd00ebb729c6bb58707ecfa8ad08b52ef3a4ccd2697fc30"
+checksum = "304e6508efa593091e97a9abbc10f90aa7ca635b6d2784feff3c89d41dd12272"
 
 [[package]]
 name = "ecdsa"
@@ -1734,9 +1734,9 @@ dependencies = [
 
 [[package]]
 name = "ibc-proto"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c888103095b45bee90cb9104513ade30abd69902153b0682b5ad81940ae1f865"
+checksum = "59d0bc49ee5fc8e5d0e668765d470cb201fd0cdee4166f49c6cbcf3100466137"
 dependencies = [
  "base64 0.21.2",
  "bytes",
@@ -1815,7 +1815,6 @@ name = "ibc-relayer-cli"
 version = "1.6.0"
 dependencies = [
  "abscissa_core",
- "atty",
  "clap 3.2.25",
  "clap_complete 3.2.5",
  "color-eyre",
@@ -2318,9 +2317,9 @@ dependencies = [
 
 [[package]]
 name = "moka"
-version = "0.11.2"
+version = "0.11.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "206bf83f415b0579fd885fe0804eb828e727636657dc1bf73d80d2f1218e14a1"
+checksum = "fa6e72583bf6830c956235bff0d5afec8cf2952f579ebad18ae7821a917d950f"
 dependencies = [
  "crossbeam-channel 0.5.8",
  "crossbeam-epoch",
@@ -3633,9 +3632,9 @@ checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
 
 [[package]]
 name = "signal-hook"
-version = "0.3.15"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "732768f1176d21d09e076c23a93123d40bba92d50c4058da34d45c8de8e682b9"
+checksum = "8621587d4798caf8eb44879d42e56b9a93ea5dcd315a6487c357130095b62801"
 dependencies = [
  "libc",
  "signal-hook-registry",
@@ -3877,9 +3876,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a46ec6b25b028097ab682ffae11d09d64fe1e2535833b902f26a278a0f88a705"
+checksum = "f6d550db02d6bec4ebcbbebc4301ec22181bc489c37fb3f167e64b14c1be8321"
 dependencies = [
  "bytes",
  "digest 0.10.7",
@@ -3908,9 +3907,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-config"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7dbb7610ef8422d5886116868e48ab6a9ea72859b3bf9021c6d87318e5600225"
+checksum = "36a787b139f314c92756becbcae855bef6772227d97d8ecee948ad90327fe6e7"
 dependencies = [
  "flex-error",
  "serde",
@@ -3922,9 +3921,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-light-client"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9940a1376b5c1e3e5759143bc4308a7114f6293167ca5f05365d3386389de0ff"
+checksum = "b5907c615802bcd54a9e209caada2abe9b945fb1031744d7c8643996239cec6e"
 dependencies = [
  "contracts",
  "crossbeam-channel 0.4.4",
@@ -3947,9 +3946,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-light-client-detector"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "765f272201f8dd04067498421b68a449a48623bf8f4df69b7e50071bec193daf"
+checksum = "af6153c010c32cbd4ff8f97f106c66da773343808965fe4b74ca365c370d426f"
 dependencies = [
  "contracts",
  "crossbeam-channel 0.4.4",
@@ -3971,9 +3970,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-light-client-verifier"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4bc4c47cf36e740645e04128bd14ff5723aef86f5377fbd4d3b0149198dfc7e"
+checksum = "6bc1e4e3dd6f65cfa7979cf721b5afa1d79d32c4a2fe5fddb6416a98638634a9"
 dependencies = [
  "derive_more",
  "flex-error",
@@ -3984,9 +3983,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-proto"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ce23c8ff0e6634eb4c3c4aeed45076dc97dac91aac5501a905a67fa222e165b"
+checksum = "1834fa2eb884ba69b9c0eea55f0178270bed421217596ca4e54c19ef75dcb660"
 dependencies = [
  "bytes",
  "flex-error",
@@ -4002,9 +4001,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-rpc"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd2cc789170db5a35d4e0bb2490035c03ef96df08f119bee25fd8dab5a09aa25"
+checksum = "03f8ff62948110e58d6df12c3bb73a00e74553384255d6413deed4c21d7480bf"
 dependencies = [
  "async-trait",
  "async-tungstenite",
@@ -4038,9 +4037,9 @@ dependencies = [
 
 [[package]]
 name = "tendermint-testgen"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "023911e751fea64f20cd13bb9e15b5aae283aa3c7aaeb7e9bec1512032b32c99"
+checksum = "23a1e92079f943bdb0868795e9550c5185b8d0c6222be1475548314cf4f44c49"
 dependencies = [
  "ed25519-consensus",
  "gumdrop",
diff --git a/tools/query-events/Cargo.toml b/tools/query-events/Cargo.toml
index 2c2e4a8b35..a2190e5f6f 100644
--- a/tools/query-events/Cargo.toml
+++ b/tools/query-events/Cargo.toml
@@ -5,8 +5,8 @@ edition = "2021"
 publish = false
 
 [dependencies]
-tendermint     = { version  = "0.32.0" }
-tendermint-rpc = { version  = "0.32.0", features = ["http-client"] }
+tendermint     = { version  = "0.33.0" }
+tendermint-rpc = { version  = "0.33.0", features = ["http-client"] }
 
 clap               = { version = "3.2", features = ["derive"] }
 futures            = "0.3.27"
diff --git a/tools/query-events/src/main.rs b/tools/query-events/src/main.rs
index 77181a7521..f84b51f554 100644
--- a/tools/query-events/src/main.rs
+++ b/tools/query-events/src/main.rs
@@ -146,7 +146,16 @@ fn collect_events(res: block_results::Response) -> impl Iterator<Item = Event> {
         .into_iter()
         .map(Into::into);
 
-    begin_events.chain(tx_events).chain(end_events)
+    // Since CometBFT 0.38, block events are returned in the
+    // finalize_block_events field and the other *_block_events fields
+    // are no longer present. We put these in place of the end_block_events
+    // in older protocol.
+    let finalize_events = res
+        .finalize_block_events
+        .into_iter()
+        .map(Into::into);
+
+    begin_events.chain(tx_events).chain(end_events).chain(finalize_events)
 }
 
 fn event_matches(event: &Event, query: &Query) -> bool {
diff --git a/tools/test-framework/Cargo.toml b/tools/test-framework/Cargo.toml
index 3994380462..0dcd3daca3 100644
--- a/tools/test-framework/Cargo.toml
+++ b/tools/test-framework/Cargo.toml
@@ -17,8 +17,8 @@ description = """
 ibc-relayer-types = { version = "=0.25.0",     path = "../../crates/relayer-types" }
 ibc-relayer       = { version = "=0.25.0",     path = "../../crates/relayer" }
 ibc-relayer-cli   = { version = "=1.6.0",      path = "../../crates/relayer-cli" }
-ibc-proto         = { version = "0.32.1" }
-tendermint-rpc    = { version = "0.32.0", features = ["http-client", "websocket-client"] }
+ibc-proto         = { version = "0.33.0" }
+tendermint-rpc    = { version = "0.33.0", features = ["http-client", "websocket-client"] }
 
 http = "0.2.9"
 tokio = { version = "1.0", features = ["full"] }