diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 7b5b60d60f8..5a6eb67ffaa 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -9,8 +9,8 @@ coroutines-version = "1.9.0"
 atomicfu-version = "0.24.0"
 
 # smithy-kotlin codegen and runtime are versioned separately
-smithy-kotlin-runtime-version = "1.3.15"
-smithy-kotlin-codegen-version = "0.33.15"
+smithy-kotlin-runtime-version = "1.3.16"
+smithy-kotlin-codegen-version = "0.33.16"
 
 # codegen
 smithy-version = "1.51.0"