diff --git a/CHANGELOG.md b/CHANGELOG.md
index e641f7d..8dbc8ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# v0.5.0
+
+- don't send notifications if noone is working (2017-05-15)
+
 # v0.4.0
 
 - support bamboo HR to see when people are out (2017-05-05)
diff --git a/lib/review_bot.rb b/lib/review_bot.rb
index 16f50cc..eb3bc26 100644
--- a/lib/review_bot.rb
+++ b/lib/review_bot.rb
@@ -16,5 +16,5 @@
 require_relative 'review_bot/bamboo_hr'
 
 module ReviewBot
-  VERSION = '0.4.0'
+  VERSION = '0.5.0'
 end