diff --git a/.gitignore b/.gitignore
index 704f56c2..24a1fb6d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,6 +46,7 @@ rules.ninja
 
 # bazel output symlinks.
 bazel-*
+MODULE.bazel.lock
 
 # out-of-source build top-level folders.
 build/