diff --git a/README.md b/README.md
index 3a34969..9586fb0 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Based on:
 
   ```elixir
   def deps do
-    [{:modbus, "~> 0.3.3"}]
+    [{:modbus, "~> 0.3.4"}]
   end
   ```
 
@@ -89,6 +89,10 @@ Based on:
 
 ## Roadmap
 
+Version 0.3.4
+
+- [x] Fixed RTU CRC endianess
+
 Version 0.3.3
 
 - [x] Shared model slave implementation