diff --git a/update.py b/update.py
index 8491fa2..f0df237 100755
--- a/update.py
+++ b/update.py
@@ -43,4 +43,4 @@ for ext in exts:
 
 
 with open(JSON_OUT_PATH, 'w') as out:
-    json.dump(exts, out)
+    json.dump(exts, out, indent=2)