diff --git a/README.md b/README.md
index 6d8dd0b..7ecc87c 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ Wanna see more? Check out the website: http://andymeneely.github.io/squib/
 
 ## Installation
 
-Squib requires Ruby 2.3 or later.
+Squib requires Ruby 2.4 or later.
 
 Install it yourself with: