diff --git a/CHANGELOG.md b/CHANGELOG.md
index 87c87a5..ebedbc8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## v1.5.1
+
+* Fixes
+  * Don't even try using the RS485 ioctls if not set by the user. This fixes an
+    issue on Allwinner devices, but probably others, where getting RS485
+    settings works, but setting them, even if unchanged always fails. Thanks to
+    @jjcarstens for the fix.
+
 ## v1.5.0
 
 * Updates
diff --git a/mix.exs b/mix.exs
index 28aa4b2..de81b92 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule Circuits.UART.MixProject do
   use Mix.Project
 
-  @version "1.5.0"
+  @version "1.5.1"
   @source_url "https://github.com/elixir-circuits/circuits_uart"
 
   def project do