diff --git a/build.sc b/build.sc
index 804472b..88e6c43 100644
--- a/build.sc
+++ b/build.sc
@@ -180,7 +180,7 @@ object `protocol-tests` extends BaseJavaModule {
 
 object Deps {
   val smithy = new {
-    val smithyVersion = "1.33.0"
+    val smithyVersion = "1.34.0"
     val model = ivy"software.amazon.smithy:smithy-model:$smithyVersion"
     val awsTraits = ivy"software.amazon.smithy:smithy-aws-traits:$smithyVersion"
     val awsProtocolTestTraits =
diff --git a/smithy-build.json b/smithy-build.json
index 3175b74..8fd2b08 100644
--- a/smithy-build.json
+++ b/smithy-build.json
@@ -2,7 +2,7 @@
   "imports": ["modules/core/resources", "modules/protocol-tests/resources"],
   "maven": {
     "dependencies": [
-      "software.amazon.smithy:smithy-protocol-test-traits:1.33.0"
+      "software.amazon.smithy:smithy-protocol-test-traits:1.34.0"
     ]
   }
 }