diff --git a/CHANGELOG.md b/CHANGELOG.md
index 66964d6084..ba2e1a63c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## master (unreleased)
 
+## 1.5.0 (2019-10-01)
+
 ### Bug fixes
 
 * [#74](https://github.com/rubocop-hq/rubocop-performance/pull/74): Fix an error for `Performance/RedundantMerge` when `MaxKeyValuePairs` option is set to `null`. ([@koic][])
diff --git a/lib/rubocop/performance/version.rb b/lib/rubocop/performance/version.rb
index 3b37832e84..ecc953a516 100644
--- a/lib/rubocop/performance/version.rb
+++ b/lib/rubocop/performance/version.rb
@@ -3,7 +3,7 @@
 module RuboCop
   module Performance
     module Version
-      STRING = '1.4.1'
+      STRING = '1.5.0'
     end
   end
 end