diff --git a/.github/workflows/ci-comment.yml b/.github/workflows/ci-comment.yml
index b6de96e5c..1e1c263dc 100644
--- a/.github/workflows/ci-comment.yml
+++ b/.github/workflows/ci-comment.yml
@@ -18,7 +18,7 @@ on:
 jobs:
   summary:
     if: github.event.workflow_run.event == 'pull_request'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
 
     steps:
       - name: Download summaries
diff --git a/.github/workflows/issue-check-stale.yml b/.github/workflows/issue-check-stale.yml
index c16316011..c0f00526e 100644
--- a/.github/workflows/issue-check-stale.yml
+++ b/.github/workflows/issue-check-stale.yml
@@ -5,7 +5,7 @@ on:
 
 jobs:
   stale-issues:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     timeout-minutes: 10
 
     steps: