diff --git a/runtime/attestor/Cargo.toml b/runtime/attestor/Cargo.toml
index a76ec9cf..3cc131f5 100644
--- a/runtime/attestor/Cargo.toml
+++ b/runtime/attestor/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 [dependencies]
 tokio = { version = "1.0", features = ["full"] }
 axum = "0.7"
-tower = "0.4"
+tower = "0.5"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 serde-big-array = "0.4"
diff --git a/runtime/kms-proxy/Cargo.toml b/runtime/kms-proxy/Cargo.toml
index 1411445b..5fd693c4 100644
--- a/runtime/kms-proxy/Cargo.toml
+++ b/runtime/kms-proxy/Cargo.toml
@@ -18,7 +18,7 @@ sha2 = "0.10"
 hmac = "0.12"
 hex = "0.4"
 hyper = { version = "0.14", features = ["full"] }
-tower = "0.4"
+tower = "0.5"
 tower-http = { version = "0.4", features = ["cors", "trace"] }
 redis = { version = "0.27", features = ["tokio-comp"] }
 metrics = "0.21"