diff --git a/.github/workflows/changelog.yml b/.github/workflows/changelog.yml
index 11e1a61fc54..58142bec96f 100644
--- a/.github/workflows/changelog.yml
+++ b/.github/workflows/changelog.yml
@@ -12,7 +12,7 @@ on:
 
 jobs:
   changelog:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     if: "!contains(github.event.pull_request.labels.*.name, 'Skip Changelog')"
 
     steps:
@@ -31,4 +31,4 @@ jobs:
             echo "No CHANGELOG was modified."
             echo "Please add a CHANGELOG entry, or add the \"Skip Changelog\" label if not required."
             false
-          fi
\ No newline at end of file
+          fi
diff --git a/.github/workflows/close-stale-issues.yml b/.github/workflows/close-stale-issues.yml
index 943cec5df4a..10311aac18c 100644
--- a/.github/workflows/close-stale-issues.yml
+++ b/.github/workflows/close-stale-issues.yml
@@ -5,7 +5,7 @@ on:
 
 jobs:
   stale:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/stale@v3
       with:
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index b979a3121ba..e6072beb11c 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -16,7 +16,7 @@ on:
 
 jobs:
   CodeQL-Build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
       - name: Checkout repository
@@ -32,4 +32,4 @@ jobs:
         uses: github/codeql-action/autobuild@v1
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v1
\ No newline at end of file
+        uses: github/codeql-action/analyze@v1
diff --git a/.github/workflows/docs-update.yml b/.github/workflows/docs-update.yml
index 78927177766..f3b46a075ac 100644
--- a/.github/workflows/docs-update.yml
+++ b/.github/workflows/docs-update.yml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   update-docs:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: checkout
         uses: actions/checkout@v2
diff --git a/.github/workflows/public-api-check.yml b/.github/workflows/public-api-check.yml
index 5d85ef3f898..20f21958d45 100644
--- a/.github/workflows/public-api-check.yml
+++ b/.github/workflows/public-api-check.yml
@@ -9,7 +9,7 @@ on:
 jobs:
   publicAPICheck:
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     if: "!contains(github.event.pull_request.labels.*.name, 'Approve Public API check')"
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0921357cb33..40379e29316 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   publish:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v1
     - uses: actions/setup-python@v1
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ebb36ee8a2e..8fb7598ed71 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,7 +28,7 @@ jobs:
       matrix:
         python-version: [ py36, py37, py38, py39, pypy3 ]
         package: ["instrumentation", "core", "exporter", "propagator"]
-        os: [ ubuntu-latest ]
+        os: [ ubuntu-20.04 ]
     steps:
       - name: Checkout Core Repo @ SHA - ${{ github.sha }}
         uses: actions/checkout@v2
@@ -81,7 +81,7 @@ jobs:
       matrix:
         tox-environment: [ "docker-tests", "lint", "docs", "mypy", "mypyinstalled", "tracecontext" ]
     name: ${{ matrix.tox-environment }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout Core Repo @ SHA - ${{ github.sha }}
         uses: actions/checkout@v2
@@ -119,7 +119,7 @@ jobs:
       matrix:
         python-version: [ py36, py37, py38, py39, pypy3 ]
         package: ["instrumentation", "exporter"]
-        os: [ ubuntu-latest ]
+        os: [ ubuntu-20.04 ]
     steps:
       - name: Checkout Contrib Repo @ SHA - ${{ env.CONTRIB_REPO_SHA }}
         uses: actions/checkout@v2
@@ -151,7 +151,7 @@ jobs:
       matrix:
         tox-environment: [ "docker-tests"]
     name: ${{ matrix.tox-environment }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout Contrib Repo @ SHA - ${{ env.CONTRIB_REPO_SHA }}
         uses: actions/checkout@v2