diff --git a/CHANGELOG b/CHANGELOG
index 8a78aa0..c3508fe 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+v1.5.1
+  * Update config.guess to support newer environments (h/t: @malmckay)
+
 v1.5.0
   * (housekeeping) Moves build to Github Actions from TravisCI
   * (housekeeping) Drops build support for MRI Ruby < 2.5 and other rubies
diff --git a/lib/zookeeper/version.rb b/lib/zookeeper/version.rb
index a1560f3..b5d0646 100644
--- a/lib/zookeeper/version.rb
+++ b/lib/zookeeper/version.rb
@@ -1,4 +1,4 @@
 module Zookeeper
-  VERSION = '1.5.0'
+  VERSION = '1.5.1'
   DRIVER_VERSION = '3.4.5'
 end