diff --git a/.github/workflows/clang-format.yml b/.github/workflows/clang-format.yml
index 1ae33975..3e1fe9e2 100644
--- a/.github/workflows/clang-format.yml
+++ b/.github/workflows/clang-format.yml
@@ -18,7 +18,6 @@ jobs:
     - uses: DoozyX/clang-format-lint-action@v0.9
       with:
         source: './src'
-        exclude: './external'
         extensions: 'h,cpp'
         clangFormatVersion: 11
         style: file
diff --git a/external/.clang-format b/external/.clang-format
new file mode 100644
index 00000000..9d159247
--- /dev/null
+++ b/external/.clang-format
@@ -0,0 +1,2 @@
+DisableFormat: true
+SortIncludes: false