diff --git a/cross-account-publish/certificate-based-stack/build.gradle.kts b/cross-account-publish/certificate-based-stack/build.gradle.kts
index 57eea3c3d..9e63cbca5 100644
--- a/cross-account-publish/certificate-based-stack/build.gradle.kts
+++ b/cross-account-publish/certificate-based-stack/build.gradle.kts
@@ -55,7 +55,7 @@ val awsLambdaJavaLog4j2Version = "1.6.0"
 val log4jVersion = "2.18.0"
 val jacksonVersion = "2.12.1"
 val vavrVersion = "0.10.3"
-val awsSdk2Version = "2.36.3"
+val awsSdk2Version = "2.39.6"
 val gwtServletVersion = "2.9.0"
 val junitVersion = "4.13.2"
 val slf4jSimpleVersion = "1.7.30"