diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b9090dd3f3a..03179fb92f4 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -9,8 +9,8 @@ coroutines-version = "1.7.3"
 atomicfu-version = "0.23.1"
 
 # smithy-kotlin codegen and runtime are versioned separately
-smithy-kotlin-runtime-version = "1.2.17"
-smithy-kotlin-codegen-version = "0.32.17"
+smithy-kotlin-runtime-version = "1.2.18"
+smithy-kotlin-codegen-version = "0.32.18"
 
 # codegen
 smithy-version = "1.50.0"