diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1189952966..b029b4a198 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -23,7 +23,7 @@ env:
 jobs:
   typos-check:
     name: Spell Check with Typos
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout Actions Repository
         uses: actions/checkout@v3
@@ -33,7 +33,7 @@ jobs:
           config: ./typos.toml
 
   golangci-lint:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout Code
         uses: actions/checkout@v3
@@ -73,7 +73,7 @@ jobs:
           sarif_file: 'trivy-results.sarif'
 
   markdownlint-misspell-shellcheck:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     # this image is build from Dockerfile
     # https://github.com/pouchcontainer/pouchlinter/blob/master/Dockerfile
     container: pouchcontainer/pouchlinter:v0.1.2
@@ -100,7 +100,7 @@ jobs:
 #          bash -c "exit $code";
 
   unit-tests:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
diff --git a/.github/workflows/e2e-1.16.yaml b/.github/workflows/e2e-1.16.yaml
index 240ce805c9..cf61281dcd 100644
--- a/.github/workflows/e2e-1.16.yaml
+++ b/.github/workflows/e2e-1.16.yaml
@@ -18,7 +18,7 @@ env:
 jobs:
 
   astatefulset:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
@@ -100,7 +100,7 @@ jobs:
           exit $retVal
 
   pullimages-containerrecreate:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
@@ -181,7 +181,7 @@ jobs:
           exit $retVal
 
   advanced-daemonset:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
@@ -262,7 +262,7 @@ jobs:
           exit $retVal
 
   sidecarset:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
@@ -343,7 +343,7 @@ jobs:
           exit $retVal
 
   podUnavailableBudget:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
@@ -401,7 +401,7 @@ jobs:
           ./bin/ginkgo -timeout 60m -v --focus='\[policy\] PodUnavailableBudget' test/e2e
 
   other:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
diff --git a/.github/workflows/e2e-1.20.yaml b/.github/workflows/e2e-1.20.yaml
index ce72ea6bed..a9b83c1011 100644
--- a/.github/workflows/e2e-1.20.yaml
+++ b/.github/workflows/e2e-1.20.yaml
@@ -17,7 +17,7 @@ env:
 
 jobs:
   ephemeraljob:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
diff --git a/.github/workflows/e2e-1.24.yaml b/.github/workflows/e2e-1.24.yaml
index 2bf1c24348..6d76ff51fd 100644
--- a/.github/workflows/e2e-1.24.yaml
+++ b/.github/workflows/e2e-1.24.yaml
@@ -19,7 +19,7 @@ env:
 jobs:
 
   astatefulset:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
@@ -88,7 +88,7 @@ jobs:
           exit $retVal
 
   pullimages-containerrecreate:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
@@ -169,7 +169,7 @@ jobs:
           exit $retVal
 
   advanced-daemonset:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
@@ -250,7 +250,7 @@ jobs:
           exit $retVal
 
   sidecarset:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
@@ -331,7 +331,7 @@ jobs:
           exit $retVal
 
   ephemeraljob:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
@@ -389,7 +389,7 @@ jobs:
           ./bin/ginkgo -timeout 60m -v --focus='\[apps\] EphemeralJob' test/e2e
 
   podUnavailableBudget:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
@@ -447,7 +447,7 @@ jobs:
           ./bin/ginkgo -timeout 60m -v --focus='\[policy\] PodUnavailableBudget' test/e2e
 
   other:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
diff --git a/.github/workflows/license.yml b/.github/workflows/license.yml
index 210c7105e2..8d49743f70 100644
--- a/.github/workflows/license.yml
+++ b/.github/workflows/license.yml
@@ -12,7 +12,7 @@ on:
 
 jobs:
   license_check:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     name: Check for unapproved licenses
     steps:
       - uses: actions/checkout@v2