diff --git a/.gitignore b/.gitignore
index 22125af5..85dccb99 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,8 +5,10 @@ obj
 x32
 x64
 Certificate.bat
+*.docstates
 *.exe
 *.opensdf
 *.sdf
 *.suo
+*.txt
 *.user