diff --git a/codegen/gradle.properties b/codegen/gradle.properties
index 2ba2fdc35..3e83354c7 100644
--- a/codegen/gradle.properties
+++ b/codegen/gradle.properties
@@ -1,2 +1,2 @@
-smithyVersion=1.42.0
+smithyVersion=1.45.0
 smithyGradleVersion=0.7.0