diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b0713cf239f..81a24b2efbc 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -11,7 +11,7 @@ coroutines-version = "1.9.0"
 atomicfu-version = "0.25.0"
 
 # smithy-kotlin codegen and runtime are versioned separately
-smithy-kotlin-runtime-version = "1.3.30"
+smithy-kotlin-runtime-version = "1.3.33"
 smithy-kotlin-codegen-version = "0.33.30"
 
 # codegen