diff --git a/generated/smoke-tests/cur/CostandUsageReportServiceSmokeTests.cpp b/generated/smoke-tests/cur/CostandUsageReportServiceSmokeTests.cpp
index 49f7fc2962d..41135dc312c 100644
--- a/generated/smoke-tests/cur/CostandUsageReportServiceSmokeTests.cpp
+++ b/generated/smoke-tests/cur/CostandUsageReportServiceSmokeTests.cpp
@@ -36,6 +36,7 @@ TEST_F(CostandUsageReportServiceSmokeTestSuite, DescribeReportDefinitionsSuccess
     clientConfiguration.region = "us-east-1";
     clientConfiguration.useFIPS = false;
     clientConfiguration.useDualStack = false;
+    clientConfiguration.connectTimeoutMs = 30000;
     auto clientSp = Aws::MakeShared<CostandUsageReportServiceClient>(ALLOCATION_TAG, clientConfiguration);
     //populate input params
     
diff --git a/tools/code-generation/smithy/codegen/cpp-smoke-tests-codegen/src/main/java/com/amazonaws/util/awsclientsmithygenerator/generators/SmokeTestsSourceWriter.java b/tools/code-generation/smithy/codegen/cpp-smoke-tests-codegen/src/main/java/com/amazonaws/util/awsclientsmithygenerator/generators/SmokeTestsSourceWriter.java
index fe90e0d7699..4ed605402fb 100644
--- a/tools/code-generation/smithy/codegen/cpp-smoke-tests-codegen/src/main/java/com/amazonaws/util/awsclientsmithygenerator/generators/SmokeTestsSourceWriter.java
+++ b/tools/code-generation/smithy/codegen/cpp-smoke-tests-codegen/src/main/java/com/amazonaws/util/awsclientsmithygenerator/generators/SmokeTestsSourceWriter.java
@@ -50,6 +50,7 @@ protected void defineTestCase(SmokeTestData test)
         write("Aws::$L::$LClientConfiguration clientConfiguration;",
                         clientNamespace,
                         CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL, clientNamespace));
+        write("clientConfiguration.connectTimeoutMs = 30000;")
         if(test.getConfig().getParams() instanceof AwsVendorParams)
         {
             AwsVendorParams configParams = (AwsVendorParams) test.getConfig().getParams();