diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dbd8f9c2..340435fb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-20.04, macos-latest, windows-latest]
     steps:
       - uses: actions/setup-node@v2
         with:
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 482b9729..4b11a5e4 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -14,7 +14,7 @@ jobs:
   - template: .ci/build-platform.yml
     parameters:
       platform: Linux
-      vmImage: ubuntu-latest
+      vmImage: ubuntu-20.04
 
   - template: .ci/build-platform.yml
     parameters: