diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 185e4a4..51af949 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-20.04, windows-latest, macos-latest]
     steps:
       - uses: actions/checkout@v3
         with:
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 9cdb5b5..4c3cea4 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-20.04, windows-latest, macos-latest]
     steps:
       - uses: actions/checkout@v3
         with: