diff --git a/.gitignore b/.gitignore
index 6510124..3c10957 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,6 +26,7 @@ build/bin
 .task/
 node_modules
 frontend/dist
+frontend/package.json.md5
 # Root-level lockfile only: the frontend lockfile IS tracked so CI installs
 # are reproducible and setup-node's npm cache has something to hash.
 /package-lock.json