diff --git a/.gitignore b/.gitignore
index a407b4709..20f2ed612 100644
--- a/.gitignore
+++ b/.gitignore
@@ -397,6 +397,10 @@ FodyWeavers.xsd
 # JetBrains Rider
 *.sln.iml
 
+#special file
+build/fastrip.exe
+build/patchdef.exe
+
 #exe folder
 exe/