diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8252153..e042f75 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 ## Changelog
 
+### Version 2.1.1
+* Fix `#empty?` to check queued payload (#137, Cyril David)
+
 ### Version 2.1.0
 * Add support for tagged measurements (#121)
 
diff --git a/lib/librato/metrics/version.rb b/lib/librato/metrics/version.rb
index a36e9f3..888fd34 100644
--- a/lib/librato/metrics/version.rb
+++ b/lib/librato/metrics/version.rb
@@ -1,5 +1,5 @@
 module Librato
   module Metrics
-    VERSION = "2.1.0"
+    VERSION = "2.1.1"
   end
 end