diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 63d15c8..dde4cf0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
         with:
           distribution: 'zulu'
           check-latest: true
-          java-version: 19
+          java-version: 21
           cache: 'gradle'
 
       - name: Validate gradle wrapper
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index b8beeb6..5579a68 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -29,7 +29,7 @@ jobs:
         with:
           distribution: 'zulu'
           check-latest: true
-          java-version: 19
+          java-version: 21
           cache: 'gradle'
 
       - name: Validate gradle wrapper
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index f9c87be..10a9c55 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -24,7 +24,7 @@ jobs:
         with:
           distribution: 'zulu'
           check-latest: true
-          java-version: 19
+          java-version: 21
           cache: 'gradle'
 
       - name: Validate gradle wrapper