diff --git a/R.gitignore b/R.gitignore
index fcff087a..fb078591 100644
--- a/R.gitignore
+++ b/R.gitignore
@@ -5,6 +5,9 @@
 # Session Data files
 .RData
 
+# User-specific files
+.Ruserdata
+
 # Example code in package build process
 *-Ex.R