diff --git a/.github/workflows/pahole.yml b/.github/workflows/pahole.yml
index 62a365d..37840ff 100644
--- a/.github/workflows/pahole.yml
+++ b/.github/workflows/pahole.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   vmtest:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     name: Kernel LATEST + staging pahole
     env:
       STAGING: tmp.master
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4d723e3..1e7224c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,13 +19,13 @@ jobs:
       matrix:
         include:
           - kernel: 'LATEST'
-            runs_on: ubuntu-latest
+            runs_on: ubuntu-20.04
             arch: 'x86_64'
           - kernel: '5.5.0'
-            runs_on: ubuntu-latest
+            runs_on: ubuntu-20.04
             arch: 'x86_64'
           - kernel: '4.9.0'
-            runs_on: ubuntu-latest
+            runs_on: ubuntu-20.04
             arch: 'x86_64'
           - kernel: 'LATEST'
             runs_on: s390x