diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index a864227fadb..c2e4d4ca7bf 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 = "1.1.5"
-smithy-kotlin-codegen-version = "0.31.5"
+smithy-kotlin-runtime-version = "1.1.6-SNAPSHOT"
+smithy-kotlin-codegen-version = "0.31.6-SNAPSHOT"
 
 # codegen
 smithy-version = "1.47.0"