diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 358ee8d6a..1d46b27c1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,7 +4,7 @@ on: [push, pull_request]
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v2
       with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 236cfe3dc..d25208318 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -8,7 +8,7 @@ on:
 jobs:
   build_release:
     name: build_release
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
         with: