DEVELOPER.md in maestrano-0.12.4 vs DEVELOPER.md in maestrano-0.12.5

@@ -18,7 +18,7 @@
 curl -u maestrano https://rubygems.org/api/v1/api_key.yaml > ~/.gem/credentials; chmod 0600 ~/.gem/credentials
 ```
 
 Then push the gem
 ```bash
-gem push maestrano-0.12.3.gem -k maestrano
+gem push maestrano-0.12.5.gem -k maestrano
 ```