diff --git a/Cargo.lock b/Cargo.lock
index 197c454dcd..d6f72e9459 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -951,6 +951,53 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "axum"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a6c9af12842a67734c9a2e355436e5d03b22383ed60cf13cd0c18fbfe3dcbcf"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bytes",
+ "futures-util",
+ "http 1.1.0",
+ "http-body 1.0.0",
+ "http-body-util",
+ "itoa 1.0.11",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite 0.2.14",
+ "rustversion",
+ "serde",
+ "sync_wrapper 1.0.1",
+ "tower",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a15c63fd72d41492dc4f497196f5da1fb04fb7529e631d73630d1b491e47a2e3"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http 1.1.0",
+ "http-body 1.0.0",
+ "http-body-util",
+ "mime",
+ "pin-project-lite 0.2.14",
+ "rustversion",
+ "sync_wrapper 0.1.2",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "azure_core"
 version = "0.20.0"
@@ -2768,9 +2815,9 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "65e3984a414cce451bd6fa931298c2b384924ddc1b6201adec3b0c0c148dabfa"
 dependencies = [
- "prost",
+ "prost 0.9.0",
  "prost-types",
- "tonic",
+ "tonic 0.6.2",
 ]
 
 [[package]]
@@ -3285,6 +3332,19 @@ dependencies = [
  "tokio-io-timeout",
 ]
 
+[[package]]
+name = "hyper-timeout"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3203a961e5c83b6f5498933e78b6b263e208c197b63e9c6c53cc82ffd3f63793"
+dependencies = [
+ "hyper 1.4.1",
+ "hyper-util",
+ "pin-project-lite 0.2.14",
+ "tokio",
+ "tower-service",
+]
+
 [[package]]
 name = "hyper-tls"
 version = "0.5.0"
@@ -3913,6 +3973,12 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2532096657941c2fea9c289d370a250971c689d4f143798ff67113ec042024a5"
 
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "matrixmultiply"
 version = "0.3.8"
@@ -4711,6 +4777,15 @@ dependencies = [
  "prost-derive",
 ]
 
+[[package]]
+name = "prost"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e13db3d3fde688c61e2446b4d843bc27a7e8af269a69440c0308021dc92333cc"
+dependencies = [
+ "bytes",
+]
+
 [[package]]
 name = "prost-build"
 version = "0.9.0"
@@ -4724,7 +4799,7 @@ dependencies = [
  "log",
  "multimap",
  "petgraph",
- "prost",
+ "prost 0.9.0",
  "prost-types",
  "regex",
  "tempfile",
@@ -4751,7 +4826,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "534b7a0e836e3c482d2693070f982e39e7611da9695d4d1f5a4b186b51faef0a"
 dependencies = [
  "bytes",
- "prost",
+ "prost 0.9.0",
 ]
 
 [[package]]
@@ -5390,19 +5465,6 @@ dependencies = [
  "webpki 0.21.4",
 ]
 
-[[package]]
-name = "rustls"
-version = "0.19.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35edb675feee39aec9c99fa5ff985081995a06d594114ae14cbe797ad7b7a6d7"
-dependencies = [
- "base64 0.13.1",
- "log",
- "ring 0.16.20",
- "sct 0.6.1",
- "webpki 0.21.4",
-]
-
 [[package]]
 name = "rustls"
 version = "0.20.9"
@@ -5447,6 +5509,7 @@ version = "0.23.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05cff451f60db80f490f3c182b77c35260baace73209e9cdbbe526bfe3a4d402"
 dependencies = [
+ "log",
  "once_cell",
  "ring 0.17.8",
  "rustls-pki-types",
@@ -6887,17 +6950,6 @@ dependencies = [
  "tokio",
 ]
 
-[[package]]
-name = "tokio-rustls"
-version = "0.22.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc6844de72e57df1980054b38be3a9f4702aba4858be64dd700181a8a6d0e1b6"
-dependencies = [
- "rustls 0.19.1",
- "tokio",
- "webpki 0.21.4",
-]
-
 [[package]]
 name = "tokio-rustls"
 version = "0.23.4"
@@ -7039,13 +7091,12 @@ dependencies = [
  "http 0.2.12",
  "http-body 0.4.6",
  "hyper 0.14.28",
- "hyper-timeout",
+ "hyper-timeout 0.4.1",
  "percent-encoding",
  "pin-project",
- "prost",
+ "prost 0.9.0",
  "prost-derive",
  "tokio",
- "tokio-rustls 0.22.0",
  "tokio-stream",
  "tokio-util 0.6.10",
  "tower",
@@ -7055,6 +7106,38 @@ dependencies = [
  "tracing-futures",
 ]
 
+[[package]]
+name = "tonic"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38659f4a91aba8598d27821589f5db7dddd94601e7a01b1e485a50e5484c7401"
+dependencies = [
+ "async-stream",
+ "async-trait",
+ "axum",
+ "base64 0.22.1",
+ "bytes",
+ "h2 0.4.4",
+ "http 1.1.0",
+ "http-body 1.0.0",
+ "http-body-util",
+ "hyper 1.4.1",
+ "hyper-timeout 0.5.1",
+ "hyper-util",
+ "percent-encoding",
+ "pin-project",
+ "prost 0.13.1",
+ "rustls-pemfile 2.1.2",
+ "socket2 0.5.7",
+ "tokio",
+ "tokio-rustls 0.26.0",
+ "tokio-stream",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "tonic-build"
 version = "0.6.2"
@@ -7453,7 +7536,7 @@ dependencies = [
  "hyper 0.14.28",
  "hyper-rustls 0.24.2",
  "log",
- "prost",
+ "prost 0.9.0",
  "prost-types",
  "serde",
  "simd-json",
@@ -7463,7 +7546,7 @@ dependencies = [
  "testcontainers 0.18.0",
  "thiserror",
  "tokio",
- "tonic",
+ "tonic 0.12.1",
  "tremor-codec",
  "tremor-common",
  "tremor-config",
@@ -7507,7 +7590,7 @@ dependencies = [
  "test-case",
  "thiserror",
  "tokio",
- "tonic",
+ "tonic 0.12.1",
  "tremor-common",
  "tremor-config",
  "tremor-connectors",
@@ -7583,8 +7666,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c6cfab2469df1b6c86199844e008f549cc6b19ca59ef0b43b68b8a62f21d63b"
 dependencies = [
  "async-channel 1.9.0",
- "prost",
- "tonic",
+ "prost 0.9.0",
+ "tonic 0.6.2",
  "tonic-build",
 ]
 
diff --git a/tremor-connectors-gcp/Cargo.toml b/tremor-connectors-gcp/Cargo.toml
index 340243bdde..3985adf743 100644
--- a/tremor-connectors-gcp/Cargo.toml
+++ b/tremor-connectors-gcp/Cargo.toml
@@ -36,7 +36,7 @@ gouth = { version = "0.2", default-features = true }
 prost = { version = "0.9.0", default-features = true }
 prost-types = { version = "0.9.0", default-features = true }
 tokio = { version = "1.38", default-features = true }
-tonic = { version = "0.6.1", default-features = true, features = [
+tonic = { version = "0.12.1", default-features = true, features = [
     "transport",
     "tls",
 ] }
diff --git a/tremor-connectors-otel/Cargo.toml b/tremor-connectors-otel/Cargo.toml
index 7a7db796bf..a18673c5d7 100644
--- a/tremor-connectors-otel/Cargo.toml
+++ b/tremor-connectors-otel/Cargo.toml
@@ -29,7 +29,7 @@ tokio = { version = "1.38", default-features = false }
 simd-json = { version = "0.13", default-features = true }
 
 # opentelemetry
-tonic = { version = "0.6.1", default-features = false, features = [
+tonic = { version = "0.12.1", default-features = false, features = [
     "transport",
     "tls",
 ] }