diff --git a/CHANGELOG.md b/CHANGELOG.md
index ebac112..a5a0b6e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 4.5.0 (unreleased)
+## 4.5.0 (2021-06-07)
 
 - Added experimental support for OpenSearch
 - Added support for synonyms in Japanese
diff --git a/lib/searchkick/version.rb b/lib/searchkick/version.rb
index e2cf30c..4d39b4b 100644
--- a/lib/searchkick/version.rb
+++ b/lib/searchkick/version.rb
@@ -1,3 +1,3 @@
 module Searchkick
-  VERSION = "4.4.4"
+  VERSION = "4.5.0"
 end
--
libgit2 0.21.0