diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 1a063ae..5dac8bd 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -15,11 +15,11 @@ jobs:
     - name: Check out sources
       uses: actions/checkout@v4
 
-    - name: Set up JDK 22
+    - name: Set up JDK 21
       uses: actions/setup-java@v4
       with:
         distribution: 'temurin'
-        java-version: 22
+        java-version: 21
         cache: 'maven'
 
     - name: Build with Maven
@@ -35,11 +35,11 @@ jobs:
       - name: Check out sources
         uses: actions/checkout@v4
 
-      - name: Set up JDK 22
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 22
+          java-version: 21
           cache: 'maven'
 
       - name: Build with Maven
@@ -57,11 +57,11 @@ jobs:
       - name: Check out sources
         uses: actions/checkout@v4
 
-      - name: Set up JDK 22
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 22
+          java-version: 21
           cache: 'maven'
 
       - name: Build with Maven