diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b91fa381f..a542929b6 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -116,7 +116,7 @@ jobs:
     - uses: actions/setup-java@v4
       with:
         distribution: temurin
-        java-version: 8
+        java-version: 17
     - run: java -version
     - run: .kokoro/build.sh
       env:
diff --git a/.kokoro/presubmit/clirr.cfg b/.kokoro/presubmit/clirr.cfg
index 9f3ab2405..ec572442e 100644
--- a/.kokoro/presubmit/clirr.cfg
+++ b/.kokoro/presubmit/clirr.cfg
@@ -4,7 +4,7 @@
 
 env_vars: {
   key: "TRAMPOLINE_IMAGE"
-  value: "gcr.io/cloud-devrel-kokoro-resources/java17"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
 
 env_vars: {