diff --git a/misc/advanced/router-dev/Cargo.toml b/misc/advanced/router-dev/Cargo.toml
index f1197822d..6f14c56f1 100644
--- a/misc/advanced/router-dev/Cargo.toml
+++ b/misc/advanced/router-dev/Cargo.toml
@@ -11,7 +11,7 @@ async-trait = "0.1.80"
 futures = "0.3.30"
 http = "0.2.12"
 schemars = "0.8.16"
-serde = "1.0.198"
+serde = "1.0.199"
 serde_json = "1.0.116"
 tokio = "1.37.0"
 tower = { version = "0.4.13", features = ["full"] }
diff --git a/supergraph/router-rust-plugin/Cargo.toml b/supergraph/router-rust-plugin/Cargo.toml
index 2f2db5cc0..8d5e12a7f 100644
--- a/supergraph/router-rust-plugin/Cargo.toml
+++ b/supergraph/router-rust-plugin/Cargo.toml
@@ -10,7 +10,7 @@ async-trait = "0.1.80"
 futures = "0.3.30"
 http = "0.2.12"
 schemars = "0.8.16"
-serde = "1.0.198"
+serde = "1.0.199"
 serde_json = "1.0.116"
 tokio = "1.37.0"
 tower = { version = "0.4.13", features = ["full"] }