README.md in slonik_migration-1.1.3 vs README.md in slonik_migration-1.2.0

@@ -2,10 +2,10 @@
 
 A rails migration gem for slony using `slonik_execute_script` command.
 
 ## Dependencies
 
-* ruby 2.3+
+* ruby 2.4+
 * activerecord 5.0+
 * slony 2.2+
 
 ## Installation