diff --git a/CHANGELOG.md b/CHANGELOG.md
index f90c2af..8a2ea64 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# 4.0.0
+
+*   changed navigation link service to add missing links and return all if there are links already (before it would do nothing if there were any links already)
 
 # 3.1.0
 
diff --git a/lib/cobot_client/version.rb b/lib/cobot_client/version.rb
index d42e1ff..7e7a2ea 100644
--- a/lib/cobot_client/version.rb
+++ b/lib/cobot_client/version.rb
@@ -1,3 +1,3 @@
 module CobotClient
-  VERSION = '3.1.0'
+  VERSION = '4.0.0'
 end