diff --git a/.github/workflows/acc-test.yaml b/.github/workflows/acc-test.yaml
index d0a7b79f..0d40ce1a 100644
--- a/.github/workflows/acc-test.yaml
+++ b/.github/workflows/acc-test.yaml
@@ -18,7 +18,7 @@ env:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu:20.04
     strategy:
       fail-fast: true
     steps:
diff --git a/.github/workflows/compile.yaml b/.github/workflows/compile.yaml
index ec418ab8..57112f4d 100644
--- a/.github/workflows/compile.yaml
+++ b/.github/workflows/compile.yaml
@@ -18,7 +18,7 @@ env:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu:20.04
     strategy:
       fail-fast: true
     steps:
diff --git a/.github/workflows/golangci-lint.yaml b/.github/workflows/golangci-lint.yaml
index bb3a7433..3004494e 100644
--- a/.github/workflows/golangci-lint.yaml
+++ b/.github/workflows/golangci-lint.yaml
@@ -8,7 +8,7 @@ on:
 jobs:
   golangci:
     name: lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu:20.04
     steps:
       - uses: actions/checkout@v2
       - name: golangci-lint
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d12c2ad4..9abeae43 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ on:
       - "v*"
 jobs:
   goreleaser:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu:20.04
     steps:
       - name: Checkout
         uses: actions/checkout@v2
diff --git a/.github/workflows/unit-test.yaml b/.github/workflows/unit-test.yaml
index 00fe4393..0401ac34 100644
--- a/.github/workflows/unit-test.yaml
+++ b/.github/workflows/unit-test.yaml
@@ -18,7 +18,7 @@ env:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu:20.04
     strategy:
       fail-fast: true
     steps:
diff --git a/.github/workflows/website.yaml b/.github/workflows/website.yaml
index f27decd5..d782ca03 100644
--- a/.github/workflows/website.yaml
+++ b/.github/workflows/website.yaml
@@ -15,7 +15,7 @@ on:
 
 jobs:
   markdown-link-check:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu:20.04
     steps:
       - uses: actions/checkout@v2
       - uses: gaurav-nelson/github-action-markdown-link-check@v1
@@ -27,7 +27,7 @@ jobs:
           folder-path: 'website/docs'
           file-extension: '.markdown'
   markdown-lint:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu:20.04
     steps:
       - uses: actions/checkout@v2
       - uses: avto-dev/markdown-lint@v1