diff --git a/bolt-sidecar/Cargo.lock b/bolt-sidecar/Cargo.lock
index 55680741..2bf1739c 100644
--- a/bolt-sidecar/Cargo.lock
+++ b/bolt-sidecar/Cargo.lock
@@ -7328,9 +7328,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.132"
+version = "1.0.133"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d726bfaff4b320266d395898905d0eba0345aae23b54aee3a737e260fd46db03"
+checksum = "c7fceb2473b9166b2294ef05efcb65a3db80803f0b03ef86a5fc88a2b85ee377"
 dependencies = [
  "itoa",
  "memchr",
diff --git a/bolt-sidecar/Cargo.toml b/bolt-sidecar/Cargo.toml
index 575bcef4..397c6b77 100644
--- a/bolt-sidecar/Cargo.toml
+++ b/bolt-sidecar/Cargo.toml
@@ -51,7 +51,7 @@ lighthouse_bls = { package = "bls", git = "https://github.com/sigp/lighthouse",
 
 # types
 serde = { version = "1.0.197", features = ["derive"] }
-serde_json = "1.0.115"
+serde_json = "1.0.133"
 parking_lot = "0.12.1"
 async-trait = "0.1.79"
 bytes = "1.6.0"