diff --git a/.github/workflows/reusable-integrity.yml b/.github/workflows/reusable-integrity.yml
index c5c457a..8126957 100644
--- a/.github/workflows/reusable-integrity.yml
+++ b/.github/workflows/reusable-integrity.yml
@@ -45,6 +45,12 @@ jobs:
         -
             name: "Checkout repository"
             uses: "actions/checkout@v3.6.0"
+        -
+            name: "Check file names"
+            run: |
+                ! git ls-tree -r -t -z --name-only HEAD \
+                    | xargs -0 -n 1 -- basename \
+                    | grep -P '[^-.0-9A-Z_a-z]'
         -
             name: "Check file permissions"
             run: |