diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 073dc5b..5f5902d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -56,12 +56,12 @@ jobs:
     strategy:
       matrix:
         include:
-          # - os: "linux"
-          #   name: "ubuntu-18-04"
-          #   runs-on: "ubuntu-18-04"
           - os: "linux"
             name: "amd64"
-            runs-on: "ubuntu-latest"
+            runs-on: "ubuntu-18-04"
+          # - os: "linux"
+          #   name: "amd64"
+          #   runs-on: "ubuntu-latest"
           - os: "mac"
             name: "arm64"
             runs-on: "mac-silicon"
diff --git a/.github/workflows/quality-gate.yml b/.github/workflows/quality-gate.yml
index 49fe69f..e3856a4 100644
--- a/.github/workflows/quality-gate.yml
+++ b/.github/workflows/quality-gate.yml
@@ -12,12 +12,12 @@ jobs:
     strategy:
       matrix:
         include:
-          # - os: "linux"
-          #   name: "ubuntu-18-04"
-          #   runs-on: "ubuntu-18-04"
           - os: "linux"
             name: "amd64"
-            runs-on: "ubuntu-latest"
+            runs-on: "ubuntu-18-04"
+          # - os: "linux"
+          #   name: "amd64"
+          #   runs-on: "ubuntu-latest"
           - os: "mac"
             name: "arm64"
             runs-on: "mac-silicon"