diff --git a/.github/workflows/consistency-check.yaml b/.github/workflows/consistency-check.yaml
index 7713602281..012957b1db 100644
--- a/.github/workflows/consistency-check.yaml
+++ b/.github/workflows/consistency-check.yaml
@@ -10,7 +10,7 @@ on:
 jobs:
   # Check consistency between types.go and generated API.
   ray-operator-verify-codegen:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v2
@@ -37,7 +37,7 @@ jobs:
 
   # Check consistency between types.go and generated API reference.
   ray-operator-verify-api-docs:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v2
@@ -61,7 +61,7 @@ jobs:
   # 1. Check consistency between types.go and CRD YAML files.
   # 2. Check consistency between kubebuilder markers and RBAC.
   ray-operator-verify-crd-rbac:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v2
@@ -96,7 +96,7 @@ jobs:
   # and in helm-chart/kuberay-operator/crds
   helm-chart-verify-crd:
     needs: ray-operator-verify-crd-rbac
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v2
@@ -125,7 +125,7 @@ jobs:
   # and in helm-chart/kuberay-operator/templates
   helm-chart-verify-rbac:
     needs: ray-operator-verify-crd-rbac
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v2
diff --git a/.github/workflows/helm-lint.yaml b/.github/workflows/helm-lint.yaml
index 9f0c4002e4..49137f09eb 100644
--- a/.github/workflows/helm-lint.yaml
+++ b/.github/workflows/helm-lint.yaml
@@ -9,7 +9,7 @@ on:
 
 jobs:
   lint-test-helm-3-4:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout Code
         uses: actions/checkout@v3
@@ -35,7 +35,7 @@ jobs:
         run: ct lint --all --chart-dirs helm-chart/ --validate-maintainers=false
 
   lint-test-helm-3-9:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout Code
         uses: actions/checkout@v3
diff --git a/.github/workflows/image-release.yaml b/.github/workflows/image-release.yaml
index c9cbb65291..f06f6a2eb8 100644
--- a/.github/workflows/image-release.yaml
+++ b/.github/workflows/image-release.yaml
@@ -15,7 +15,7 @@ jobs:
     env:
       working-directory: ./apiserver
     name: Release APIServer Docker Image
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
 
     - name: Set up Go
@@ -75,7 +75,7 @@ jobs:
     env:
       working-directory: ./ray-operator
     name: Release Operator Docker Images
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
 
     - name: Set up Go
diff --git a/.github/workflows/test-job.yaml b/.github/workflows/test-job.yaml
index 19eb137d56..67c72711e0 100644
--- a/.github/workflows/test-job.yaml
+++ b/.github/workflows/test-job.yaml
@@ -10,7 +10,7 @@ on:
 jobs:
   lint:
     name: Lint (pre-commit)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Install golangci-lint
         run: |
@@ -32,7 +32,7 @@ jobs:
     env:
       working-directory: ./apiserver
     name: Build Apiserver and Docker Images
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Set up Go
         uses: actions/setup-go@v3
@@ -108,7 +108,7 @@ jobs:
     env:
       working-directory: ./experimental
     name: Build security proxy Binaries and Docker Images
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
 
       - name: Set up Go
@@ -182,7 +182,7 @@ jobs:
     env:
       working-directory: ./ray-operator
     name: Build Operator Binaries and Docker Images
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
 
     - name: Set up Go
@@ -292,7 +292,7 @@ jobs:
     env:
       working-directory: ./kubectl-plugin
     name: Build Ray Kubectl plugin
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Set up Go
         uses: actions/setup-go@v3
@@ -324,7 +324,7 @@ jobs:
       - build_operator
       - build_apiserver
       - lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     name: Compatibility Test - 2.7.0
     steps:
       - name: Check out code into the Go module directory
@@ -344,7 +344,7 @@ jobs:
       - build_operator
       - build_apiserver
       - lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     name: Compatibility Test - 2.8.0
     steps:
       - name: Check out code into the Go module directory
@@ -364,7 +364,7 @@ jobs:
       - build_operator
       - build_apiserver
       - lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     name: Compatibility Test - 2.9.0
     steps:
       - name: Check out code into the Go module directory
@@ -384,7 +384,7 @@ jobs:
       - build_operator
       - build_apiserver
       - lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     name: Compatibility Test - Nightly
     steps:
       - name: Check out code into the Go module directory
@@ -400,7 +400,7 @@ jobs:
           ray_version: nightly
 
   python-client-test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     name: Python Client Test
     steps:
       - name: Set up Docker