diff --git a/.gitignore b/.gitignore
index 1ffd539924..cef9d3726f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,13 +39,14 @@ out/*
 # mstest test results
 TestResults
 
-## Ignore Visual Studio temporary files, build results, and
+## Ignore IDE temporary files, build results, and
 ## files generated by popular Visual Studio add-ons.
 
 # User-specific files
 *.suo
 *.user
 *.sln.docstates
+*.userprefs
 
 # Build results
 [Dd]ebug/