diff --git a/pkgs/misc/emulators/retroarch/hashes.json b/pkgs/misc/emulators/retroarch/hashes.json
index f0a119c6ef5f..541881c9ed0e 100644
--- a/pkgs/misc/emulators/retroarch/hashes.json
+++ b/pkgs/misc/emulators/retroarch/hashes.json
@@ -510,4 +510,4 @@
         "sha256": "VstPh0oMEZ7/ts58NjZxBYZZx/7dRTYePhDIQMu0WOo=",
         "fetchSubmodules": false
     }
-}
\ No newline at end of file
+}
diff --git a/pkgs/misc/emulators/retroarch/update.py b/pkgs/misc/emulators/retroarch/update.py
index c562ff61173f..f560420c38bf 100755
--- a/pkgs/misc/emulators/retroarch/update.py
+++ b/pkgs/misc/emulators/retroarch/update.py
@@ -129,6 +129,7 @@ def main():
     info(f"Generating '{HASHES_PATH}'...")
     with open(HASHES_PATH, "w") as f:
         f.write(json.dumps(repo_hashes, indent=4))
+        f.write("\n")
     info("Finished!")