diff --git a/.github/workflows/mega-linter.yml b/.github/workflows/mega-linter.yml
index aa99a18b..f40d4a23 100644
--- a/.github/workflows/mega-linter.yml
+++ b/.github/workflows/mega-linter.yml
@@ -43,7 +43,7 @@ jobs:
 
       - name: MegaLinter
         id: ml
-        uses: oxsecurity/megalinter/flavors/python@v9.6.0
+        uses: oxsecurity/megalinter/flavors/python@v10.0.0
         env:
           VALIDATE_ALL_CODEBASE: true
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.mega-linter.yml b/.mega-linter.yml
index c9ae2604..474b0be3 100644
--- a/.mega-linter.yml
+++ b/.mega-linter.yml
@@ -14,3 +14,7 @@ PRINT_ALPACA: false
 SHOW_ELAPSED_TIME: true
 FLAVOR_SUGGESTIONS: false
 PYTHON_RUFF_CONFIG_FILE: pyproject.toml
+# Ruff 0.16 expanded its default rule set. Keep the v9-era E/F policy for this
+# MegaLinter upgrade; adopting the larger v0.16 defaults belongs in a separate
+# lint-cleanup change.
+PYTHON_RUFF_ARGUMENTS: "--select E4,E7,E9,F"