diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..94f480d
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+* text=auto eol=lf
\ No newline at end of file
diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index a3803a5..6f93916 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -10,8 +10,8 @@ jobs:
 
     strategy:
       matrix:
-        os: [windows-latest]
-        node: [22]
+        os: [windows-latest, macos-latest, ubuntu-latest]
+        node: [21, 22]
 
     steps:
       - name: Checkout code