diff --git a/.github/workflows/clojure.yml b/.github/workflows/clojure.yml
index 734cb31..28e8853 100644
--- a/.github/workflows/clojure.yml
+++ b/.github/workflows/clojure.yml
@@ -10,8 +10,7 @@ jobs:
   build-clj:
     strategy:
       matrix:
-        # Supported Java versions: LTS releases 8 and 11 and the latest release
-        jdk: [8, 11, 15, 17]
+        jdk: [8, 11, 17, 21]
 
     name: Clojure (Java ${{ matrix.jdk }})