diff --git a/.github/workflows/checksrc.yml b/.github/workflows/checksrc.yml
index 90bd62f19c..7d94902655 100644
--- a/.github/workflows/checksrc.yml
+++ b/.github/workflows/checksrc.yml
@@ -97,7 +97,7 @@ jobs:
 
   complexity:
     name: 'complexity'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     timeout-minutes: 3
     steps:
       - name: 'install pmccabe'
@@ -116,7 +116,7 @@ jobs:
 
   xmllint:
     name: 'xmllint'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     timeout-minutes: 3
     steps:
       - name: 'install prereqs'
diff --git a/.github/workflows/label.yml b/.github/workflows/label.yml
index 0c169e6075..7e0ae094ee 100644
--- a/.github/workflows/label.yml
+++ b/.github/workflows/label.yml
@@ -22,7 +22,7 @@ permissions: {}
 jobs:
   label:
     name: 'Labeler'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     permissions:
       contents: read        # To comply with https://github.com/actions/labeler documentation
       pull-requests: write  # To edit labels on PRs