diff --git a/.gitignore b/.gitignore
index cf3b859e9a74035ba5f583a71418db2bff78b389..8b84b8e6a397550df92dbf785ddb519bb5beef6e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 .sass-cache
 __pycache__
 _site
+.Rproj.user
diff --git a/bin/boilerplate/_config.yml b/bin/boilerplate/_config.yml
index 82eb08e2dfd872a19f439bc83a07bcc9168b34f4..1f828e907c9e634ea9d3a820065f4b94ce62e0d2 100644
--- a/bin/boilerplate/_config.yml
+++ b/bin/boilerplate/_config.yml
@@ -79,7 +79,8 @@ defaults:
 # Files and directories that are not to be copied.
 exclude:
   - Makefile
-  - bin
+  - bin/
+  - .Rproj.user/
 
 # Turn on built-in syntax highlighting.
 highlighter: rouge