Update README.md

Author: Relrin

README.md

@@ -14,7 +14,7 @@ The package can be installed via adding the `spotter` dependency to your list of
 
   ```elixir
   def deps do
-    [{:spotter, "~> 0.4.1"}]
+    [{:spotter, "~> 0.5.0"}]
   end
   ```