diff --git a/Cargo.lock b/Cargo.lock
index a202878ecfc..408be504bc0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4865,9 +4865,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.133"
+version = "1.0.134"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7fceb2473b9166b2294ef05efcb65a3db80803f0b03ef86a5fc88a2b85ee377"
+checksum = "d00f4175c42ee48b15416f6193a959ba3a0d67fc699a0db9ad12df9f83991c7d"
 dependencies = [
  "itoa",
  "memchr",
diff --git a/rs/proposals/Cargo.toml b/rs/proposals/Cargo.toml
index 00657deeea8..51baf6247a6 100644
--- a/rs/proposals/Cargo.toml
+++ b/rs/proposals/Cargo.toml
@@ -11,7 +11,7 @@ hex = "0.4.3"
 ic_principal = "0.1.1"
 serde = "1.0.209"
 serde_bytes = "0.11.15"
-serde_json = "1.0.127"
+serde_json = "1.0.134"
 
 cycles-minting-canister = { workspace = true }
 dfn_candid = { workspace = true }
diff --git a/rs/sns_aggregator/Cargo.toml b/rs/sns_aggregator/Cargo.toml
index 91a126e7c3e..036513a5ebb 100644
--- a/rs/sns_aggregator/Cargo.toml
+++ b/rs/sns_aggregator/Cargo.toml
@@ -27,7 +27,7 @@ serde = "1.0.209"
 serde_bytes = "0.11.15"
 serde_cbor = "0.11.2"
 serde_derive = "1.0.126"
-serde_json = "1.0.127"
+serde_json = "1.0.134"
 sha2 = "0.10.8"
 
 [dev-dependencies]