diff --git a/.github/maintainer/mkmaintainer.py b/.github/maintainer/mkmaintainer.py
index 050229d..5a09953 100755
--- a/.github/maintainer/mkmaintainer.py
+++ b/.github/maintainer/mkmaintainer.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 from pathlib import Path
 from urllib.parse import urlencode
diff --git a/.github/workflows/java.yaml b/.github/workflows/java.yaml
index b785de9..df47b09 100644
--- a/.github/workflows/java.yaml
+++ b/.github/workflows/java.yaml
@@ -13,7 +13,7 @@ permissions:
 jobs:
   pre-commit:
     name: Rerun pre-commit checks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - name: Check out repo
         uses: actions/checkout@v5
@@ -112,7 +112,7 @@ jobs:
     name: Release
     if: github.ref_type == 'tag'
     needs: build
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     concurrency: release-${{ github.ref }}
     permissions:
       contents: write