diff --git a/CHANGES.rst b/CHANGES.rst
index 71f634a..2893917 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,6 +4,8 @@ ChangeLog
 +------------+---------------------------------------------------------------------+------------+
 | Version    | Description                                                         | Date       |
 +============+=====================================================================+============+
+| **0.5.2**  | * Add full 40-pin header for Orange Pi 4(B)                         | 2021/10/22 |
++------------+---------------------------------------------------------------------+------------+
 | **0.5.1**  | * Updated orange pi 4B mappings                                     | 2021/08/19 |
 +------------+---------------------------------------------------------------------+------------+
 | **0.5.0**  | * Added Hardware PWM Control                                        | 2021/04/25 |
diff --git a/VERSION.txt b/VERSION.txt
index 5d4294b..2411653 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-0.5.1
\ No newline at end of file
+0.5.2
\ No newline at end of file