diff --git a/k8s-test-runner/go.mod b/k8s-test-runner/go.mod
index 2ae1b0f81..5f51184c9 100644
--- a/k8s-test-runner/go.mod
+++ b/k8s-test-runner/go.mod
@@ -28,7 +28,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.1 // indirect
 	github.com/aws/aws-sdk-go-v2/service/sso v1.11.1 // indirect
 	github.com/aws/aws-sdk-go-v2/service/sts v1.16.1 // indirect
-	github.com/aws/smithy-go v1.20.1
+	github.com/aws/smithy-go v1.21.0
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
diff --git a/k8s-test-runner/go.sum b/k8s-test-runner/go.sum
index a3296869c..1ca4c342d 100644
--- a/k8s-test-runner/go.sum
+++ b/k8s-test-runner/go.sum
@@ -26,8 +26,8 @@ github.com/aws/aws-sdk-go-v2/service/sso v1.11.1/go.mod h1:CvFTucADIx7U/M44vjLs/
 github.com/aws/aws-sdk-go-v2/service/sts v1.16.1 h1:xsOtPAvHqhvQvBza5ohaUcfq1LceH2lZKMUGZJKiZiM=
 github.com/aws/aws-sdk-go-v2/service/sts v1.16.1/go.mod h1:Aq2/Qggh2oemSfyHH+EO4UBbgWG6zFCXLHYI4ILTY7w=
 github.com/aws/smithy-go v1.11.1/go.mod h1:3xHYmszWVx2c0kIwQeEVf9uSm4fYZt67FBJnwub1bgM=
-github.com/aws/smithy-go v1.20.1 h1:4SZlSlMr36UEqC7XOyRVb27XMeZubNcBNN+9IgEPIQw=
-github.com/aws/smithy-go v1.20.1/go.mod h1:krry+ya/rV9RDcV/Q16kpu6ypI4K2czasz0NC3qS14E=
+github.com/aws/smithy-go v1.21.0 h1:H7L8dtDRk0P1Qm6y0ji7MCYMQObJ5R9CRpyPhRUkLYA=
+github.com/aws/smithy-go v1.21.0/go.mod h1:irrKGvNn1InZwb2d7fkIRNucdfwR8R+Ts3wxYa/cJHg=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=