diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 73e9e6d9..04f6cdf3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: ['21', '22']
+        java: ['23']
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-java@v2
diff --git a/.java-version b/.java-version
index 98d9bcb7..40994076 100644
--- a/.java-version
+++ b/.java-version
@@ -1 +1 @@
-17
+23