diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 1a2d91e..ebace6d 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -60,10 +60,10 @@ jobs:
         key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
         restore-keys: |
           ${{ runner.os }}-maven-
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v4
       with:
-        java-version: '17'
+        java-version: '21'
         distribution: 'temurin'
     - name: Checkout fess-parent
       uses: actions/checkout@v4
diff --git a/pom.xml b/pom.xml
index a4d1618..e289eea 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>org.codelibs.fess</groupId>
 		<artifactId>fess-parent</artifactId>
-		<version>15.7.0-SNAPSHOT</version>
+		<version>15.7.0</version>
 		<relativePath />
 	</parent>
 	<build>