diff --git a/.github/workflows/checksrc.yml b/.github/workflows/checksrc.yml
index 7d94902655..de6a8ab34e 100644
--- a/.github/workflows/checksrc.yml
+++ b/.github/workflows/checksrc.yml
@@ -32,7 +32,7 @@ permissions: {}
 jobs:
   checksrc:
     name: 'checksrc'
-    runs-on: ubuntu-24.04-arm
+    runs-on: ubuntu-slim
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
diff --git a/.github/workflows/checkurls.yml b/.github/workflows/checkurls.yml
index c1e9983c2c..63b1ca074e 100644
--- a/.github/workflows/checkurls.yml
+++ b/.github/workflows/checkurls.yml
@@ -25,7 +25,7 @@ jobs:
   linkcheck:
     if: ${{ github.repository_owner == 'curl' || github.event_name != 'schedule' }}
     name: 'linkcheck'
-    runs-on: ubuntu-24.04-arm
+    runs-on: ubuntu-slim
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
diff --git a/.github/workflows/distcheck.yml b/.github/workflows/distcheck.yml
index db610d378d..690bad95d8 100644
--- a/.github/workflows/distcheck.yml
+++ b/.github/workflows/distcheck.yml
@@ -209,7 +209,7 @@ jobs:
 
   missing-files:
     name: 'missing files'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     timeout-minutes: 5
     needs: maketgz-and-verify-in-tree
     steps: