diff --git a/pocs/json_schema/Cargo.lock b/pocs/json_schema/Cargo.lock
index b3495fa..d4f2e5a 100644
--- a/pocs/json_schema/Cargo.lock
+++ b/pocs/json_schema/Cargo.lock
@@ -190,9 +190,9 @@ dependencies = [
 
 [[package]]
 name = "serde_yaml"
-version = "0.9.19"
+version = "0.9.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f82e6c8c047aa50a7328632d067bcae6ef38772a79e28daf32f735e0e4f3dd10"
+checksum = "d9d684e3ec7de3bf5466b32bd75303ac16f0736426e5a4e0d6e489559ce1249c"
 dependencies = [
  "indexmap",
  "itoa",
diff --git a/pocs/json_schema/Cargo.toml b/pocs/json_schema/Cargo.toml
index af5ca1d..0c79ccf 100644
--- a/pocs/json_schema/Cargo.toml
+++ b/pocs/json_schema/Cargo.toml
@@ -9,4 +9,4 @@ edition = "2021"
 anyhow = { version = "1.0.70", features = ["backtrace"] }
 serde = { version = "1.0.159", features = ["derive"] }
 serde_json = "1.0.95"
-serde_yaml = "0.9.19"
+serde_yaml = "0.9.21"