diff --git a/codegen/gradle/libs.versions.toml b/codegen/gradle/libs.versions.toml
index a41dccad..573e73c3 100644
--- a/codegen/gradle/libs.versions.toml
+++ b/codegen/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 junit5 = "6.0.1"
-smithy = "1.63.0"
+smithy = "1.64.0"
 test-logger-plugin = "4.0.0"
 spotbugs = "6.0.22"
 spotless = "8.0.0"