diff --git a/rust/Cargo.lock b/rust/Cargo.lock
index 10534ac..97e323f 100644
--- a/rust/Cargo.lock
+++ b/rust/Cargo.lock
@@ -171,9 +171,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.103"
+version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d03b412469450d4404fe8499a268edd7f8b79fecb074b0d812ad64ca21f4031b"
+checksum = "076066c5f1078eac5b722a31827a8832fe108bed65dfa75e233c89f8206e976c"
 dependencies = [
  "itoa",
  "ryu",
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index d62165e..7a6544a 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -27,7 +27,7 @@ console_error_panic_hook = "0.1.7"
 
 # Note: not using the no-std setup, because wasm-bindgen does not either
 serde = { version = "1.0.176", features = ["derive"] }
-serde_json = "1.0.103"
+serde_json = "1.0.104"
 serde-wasm-bindgen = "0.5.0"
 base64 = "0.21.2"