diff --git a/ci/images/ci-image-jdk20/Dockerfile b/ci/images/ci-image-jdk20/Dockerfile
index 6815b58340..a6a71057dd 100644
--- a/ci/images/ci-image-jdk20/Dockerfile
+++ b/ci/images/ci-image-jdk20/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:jammy-20230624
+FROM ubuntu:jammy-20230804
 
 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 702ba9ee45..9ac8aa5e5e 100644
--- a/ci/images/ci-image/Dockerfile
+++ b/ci/images/ci-image/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:jammy-20230624
+FROM ubuntu:jammy-20230804
 
 ADD setup.sh /setup.sh
 ADD get-jdk-url.sh /get-jdk-url.sh