diff --git a/scripts/update_schemastore.py b/scripts/update_schemastore.py
index b1c2700aa..fc2af2da8 100644
--- a/scripts/update_schemastore.py
+++ b/scripts/update_schemastore.py
@@ -74,11 +74,11 @@ def update_schemastore(schemastore: Path, *, root: Path) -> None:
         commit_url = f"{UV_REPOSITORY}/commit/{current_sha}"
         commit_body = f"This updates uv's JSON schema to [{current_sha}]({commit_url})"
         # https://stackoverflow.com/a/22909204/3549270
+        check_call(["git", "add", UV_JSON_PATH.as_posix()], cwd=src)
         check_call(
             [
                 "git",
                 "commit",
-                "-a",
                 "-m",
                 "Update uv's JSON schema",
                 "-m",