diff --git a/.hgignore b/.hgignore
index 6d66599..58f82cc 100644
--- a/.hgignore
+++ b/.hgignore
@@ -7,3 +7,4 @@ glob:*.psd
 glob:Installer/OnTopReplica-Setup.exe
 syntax: glob
 *.Designer.cs
+*.suo