diff --git a/.github/workflows/__cleanup-db-cluster-dir.yml b/.github/workflows/__cleanup-db-cluster-dir.yml
index dfe53c67c..3383f4d43 100644
--- a/.github/workflows/__cleanup-db-cluster-dir.yml
+++ b/.github/workflows/__cleanup-db-cluster-dir.yml
@@ -36,7 +36,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-slim
             version: linked
     name: Clean up database cluster directory
     if: github.triggering_actor != 'dependabot[bot]'
diff --git a/.github/workflows/__config-input.yml b/.github/workflows/__config-input.yml
index 59db10d4d..a6f2d2bcb 100644
--- a/.github/workflows/__config-input.yml
+++ b/.github/workflows/__config-input.yml
@@ -36,7 +36,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-slim
             version: linked
     name: Config input
     if: github.triggering_actor != 'dependabot[bot]'
diff --git a/.github/workflows/__language-aliases.yml b/.github/workflows/__language-aliases.yml
index 5f95caa13..92c130dfa 100644
--- a/.github/workflows/__language-aliases.yml
+++ b/.github/workflows/__language-aliases.yml
@@ -36,7 +36,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-slim
             version: linked
     name: Language aliases
     if: github.triggering_actor != 'dependabot[bot]'
diff --git a/.github/workflows/check-expected-release-files.yml b/.github/workflows/check-expected-release-files.yml
index edcc499dc..a066cbde5 100644
--- a/.github/workflows/check-expected-release-files.yml
+++ b/.github/workflows/check-expected-release-files.yml
@@ -15,7 +15,7 @@ defaults:
 
 jobs:
   check-expected-release-files:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
 
     permissions:
       contents: read
diff --git a/.github/workflows/label-pr-size.yml b/.github/workflows/label-pr-size.yml
index 83ec360f5..965a4a858 100644
--- a/.github/workflows/label-pr-size.yml
+++ b/.github/workflows/label-pr-size.yml
@@ -16,7 +16,7 @@ permissions:
 jobs:
   sizeup:
     name: Label PR with size
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
 
     steps:
       - name: Run sizeup
diff --git a/pr-checks/checks/cleanup-db-cluster-dir.yml b/pr-checks/checks/cleanup-db-cluster-dir.yml
index d2cacf47e..9cb3dfa05 100644
--- a/pr-checks/checks/cleanup-db-cluster-dir.yml
+++ b/pr-checks/checks/cleanup-db-cluster-dir.yml
@@ -1,6 +1,7 @@
 name: "Clean up database cluster directory"
 description: "The database cluster directory is cleaned up if it is not empty."
 versions: ["linked"]
+runnerImages: ["ubuntu-slim"]
 steps:
   - name: Add a file to the database cluster directory
     run: |
diff --git a/pr-checks/checks/config-input.yml b/pr-checks/checks/config-input.yml
index f139ff90e..7253e443e 100644
--- a/pr-checks/checks/config-input.yml
+++ b/pr-checks/checks/config-input.yml
@@ -2,6 +2,7 @@ name: "Config input"
 description: "Tests specifying configuration using the config input"
 installNode: true
 versions: ["linked"]
+runnerImages: ["ubuntu-slim"]
 steps:
   - name: Copy queries into workspace
     run: |
diff --git a/pr-checks/checks/language-aliases.yml b/pr-checks/checks/language-aliases.yml
index b0db1288a..a5654fc88 100644
--- a/pr-checks/checks/language-aliases.yml
+++ b/pr-checks/checks/language-aliases.yml
@@ -1,6 +1,7 @@
 name: "Language aliases"
 description: "Tests that language aliases are resolved correctly"
 versions: ["linked"]
+runnerImages: ["ubuntu-slim"]
 steps:
   - uses: ./../action/init
     with:
diff --git a/pr-checks/sync.py b/pr-checks/sync.py
index f247f3824..f44ffb964 100755
--- a/pr-checks/sync.py
+++ b/pr-checks/sync.py
@@ -76,7 +76,15 @@ for file in sorted((this_dir / 'checks').glob('*.yml')):
         if version == "latest":
             raise ValueError('Did not recognize "version: latest". Did you mean "version: linked"?')
 
-        runnerImages = ["ubuntu-latest", "macos-latest", "windows-latest"]
+        # Check if a specific runner image is specified in the check
+        customRunnerImages = checkSpecification.get('runnerImages')
+        if customRunnerImages:
+            # Use custom runner images specified in the check
+            runnerImages = customRunnerImages
+        else:
+            # Use default runner images based on operating systems
+            runnerImages = ["ubuntu-latest", "macos-latest", "windows-latest"]
+
         operatingSystems = checkSpecification.get('operatingSystems', ["ubuntu"])
 
         for operatingSystem in operatingSystems: