diff --git a/ci/images/ci-image-jdk21/Dockerfile b/ci/images/ci-image-jdk21/Dockerfile
index c24f446fab..67f9f17ace 100644
--- a/ci/images/ci-image-jdk21/Dockerfile
+++ b/ci/images/ci-image-jdk21/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:jammy-20230816
+FROM ubuntu:jammy-20230916
 
 ADD setup.sh /setup.sh
 ADD get-jdk-url.sh /get-jdk-url.sh
diff --git a/ci/images/ci-image/Dockerfile b/ci/images/ci-image/Dockerfile
index 09dd84e752..9dad07da0c 100644
--- a/ci/images/ci-image/Dockerfile
+++ b/ci/images/ci-image/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:jammy-20230816
+FROM ubuntu:jammy-20230916
 
 ADD setup.sh /setup.sh
 ADD get-jdk-url.sh /get-jdk-url.sh