diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 36b14820100592027a59bcd6307edc7f4fe46ec6..00c92232f086cd3b0e38501430db24595ff5e821 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -1535,7 +1535,7 @@ jobs:
 
   pkg_install_amd64:
     needs: [ build_minikube ]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-18.04
     env:
       TIME_ELAPSED: time
       JOB_NAME: "functional_docker_ubuntu_arm64"
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 84397aa10ed893339d5552c323a88909e39212f7..145c211c99f49367ef775f378fbf1532d4a4fd0a 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -1532,7 +1532,7 @@ jobs:
 
   pkg_install_amd64:
     needs: [ build_minikube ]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-18.04
     env:
       TIME_ELAPSED: time
       JOB_NAME: "functional_docker_ubuntu_arm64"