diff --git a/.gitignore b/.gitignore
index 390fa459..1c707f37 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,8 @@ node_modules/
 dist/
 *.tgz
 .DS_Store
+# Office lock files (Word/Excel/PowerPoint create these while a file is open)
+~$*
 .mcpregistry_*
 # Allure report artifacts (any depth)
 allure-results/