diff --git a/R.gitignore b/R.gitignore
index f5b98bb2..fae8299a 100644
--- a/R.gitignore
+++ b/R.gitignore
@@ -34,3 +34,6 @@ vignettes/*.pdf
 # Temporary files created by R markdown
 *.utf8.md
 *.knit.md
+
+# R Environment Variables
+.Renviron