diff --git a/Global/VisualStudio.gitignore b/Global/VisualStudio.gitignore
index b6dc2213..e5eb7d96 100644
--- a/Global/VisualStudio.gitignore
+++ b/Global/VisualStudio.gitignore
@@ -38,6 +38,9 @@ ipch/
 *.psess
 *.vsp
 
+# Guidance Automation Toolkit
+*.gpState
+
 # ReSharper is a .NET coding add-in
 _ReSharper*