diff --git a/vimrc b/vimrc
index ff6233a..508846b 100644
--- a/vimrc
+++ b/vimrc
@@ -3,6 +3,9 @@ filetype off
 
 filetype plugin indent on
 
+" Use blowfish2 algorithm for encryption (:X)
+set cm=blowfish2
+
 " Activate syntax highlighting
 syntax on