diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c814b9..4da2a94 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v0.5.1 (14.06.2020)
+
+* Fix incompatibility with autocomplete: out of the box Click completion and click-repl (Issue [#14](https://github.com/click-contrib/click-option-group/issues/14))
+
 ## v0.5.0 (10.06.2020)
 
 * Add `AllOptionGroup` class: all options from the group must be set or none must be set (PR [#13](https://github.com/click-contrib/click-option-group/pull/13))
diff --git a/click_option_group/_version.py b/click_option_group/_version.py
index 7568cb9..12e50bc 100644
--- a/click_option_group/_version.py
+++ b/click_option_group/_version.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 
-__version__ = '0.5.0'
+__version__ = '0.5.1'