diff --git a/README.md b/README.md
index 74853f1d..4b6b4d07 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ It works with ANY class, however, you get a few extra features when you're using
 Add attr_encrypted to your gemfile:
 
 ```ruby
-  gem "attr_encrypted", "~> 3.0.0"
+  gem "attr_encrypted", "~> 3.1.0"
 ```
 
 Then install the gem: