diff --git a/.github/workflows/cd_standard.yaml b/.github/workflows/cd_standard.yaml
index f85e6354..97c47a81 100644
--- a/.github/workflows/cd_standard.yaml
+++ b/.github/workflows/cd_standard.yaml
@@ -134,7 +134,7 @@ jobs:
         path: ${{ github.workspace }}/opendds-native-win-${{ matrix.BuildPlatform }}.zip
 
   build_linux_native:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     env:
       BuildPlatform: "x64"
diff --git a/.github/workflows/ci_standard.yaml b/.github/workflows/ci_standard.yaml
index df7db8ee..cb07c5a7 100644
--- a/.github/workflows/ci_standard.yaml
+++ b/.github/workflows/ci_standard.yaml
@@ -121,7 +121,7 @@ jobs:
         fail-on-error: false
 
   build_linux:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     env:
       OpenDdsVersion: "3.28.1"