diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index db05f702c..2bbab746e 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -19,7 +19,7 @@ permissions:
 
 jobs:
   Bazel-Build-Java8:
-    runs-on: ubuntu-latest
+    runs-on: cel-java-ubuntu-4core
     timeout-minutes: 30
     steps:
       - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."
@@ -58,7 +58,7 @@ jobs:
           JOB_STATUS: ${{ job.status }}
 
   Bazel-Tests:
-    runs-on: ubuntu-latest
+    runs-on: cel-java-ubuntu-4core
     timeout-minutes: 30
     steps:
       - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."
@@ -96,7 +96,7 @@ jobs:
 
   # -- Start of Maven Conformance Tests (Ran only when there's version changes) --
   Maven-Conformance:
-    runs-on: ubuntu-latest
+    runs-on: cel-java-ubuntu-4core
     timeout-minutes: 30
     steps:
       - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."