diff --git a/.gitignore b/.gitignore
index 5b6d559a41..568a8c524c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -44,6 +44,7 @@
 /win_toolchain/*.timestamps
 /win_toolchain/.vspro
 /win_toolchain/data.json
+/win_toolchain/vs_files.ciopfs
 
 # Ignore ctags/cscope index files
 /TAGS