diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 62878d2..1718155 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,3 +18,5 @@ jobs:
       run: codespell test/test.txt || true
     - name: Check codespell on an unusually named file
       run: codespell test/test:2.txt || true
+    - name: Check codespell on a binary file
+      run: codespell test/test.bin || true
diff --git a/test/test.bin b/test/test.bin
new file mode 100644
index 0000000..f76dd23
Binary files /dev/null and b/test/test.bin differ