diff --git a/.circleci/config.yml b/.circleci/config.yml
index afe8708..ae575d3 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,7 +7,7 @@ jobs:
   build-java17:
     docker:
       # specify the version you desire here
-      - image: cimg/openjdk:17.0.12
+      - image: cimg/openjdk:21.0.4
 
     working_directory: ~/repo
 
@@ -35,7 +35,7 @@ jobs:
   build-java21:
     docker:
       # specify the version you desire here
-      - image: cimg/openjdk:21.0
+      - image: cimg/openjdk:21.0.4
 
     working_directory: ~/repo