diff --git a/ci/images/ci-image-jdk11/Dockerfile b/ci/images/ci-image-jdk11/Dockerfile
index e96e3dbd..c3737db0 100644
--- a/ci/images/ci-image-jdk11/Dockerfile
+++ b/ci/images/ci-image-jdk11/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:focal-20210723
+FROM ubuntu:focal-20210827
 
 ADD setup.sh /setup.sh
 ADD get-jdk-url.sh /get-jdk-url.sh
diff --git a/ci/images/ci-image-jdk17/Dockerfile b/ci/images/ci-image-jdk17/Dockerfile
index 5e8d36d4..1b8b9458 100644
--- a/ci/images/ci-image-jdk17/Dockerfile
+++ b/ci/images/ci-image-jdk17/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:focal-20210723
+FROM ubuntu:focal-20210827
 
 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 20d113d0..f3c42a43 100644
--- a/ci/images/ci-image/Dockerfile
+++ b/ci/images/ci-image/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:focal-20210723
+FROM ubuntu:focal-20210827
 
 ADD setup.sh /setup.sh
 ADD get-jdk-url.sh /get-jdk-url.sh