diff --git a/CHANGELOG.md b/CHANGELOG.md
index 913e189c..a8f58c79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,18 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Fixed
 
+## [2.11.3] - 2017-08-20
+
+### Added
+
+### Changed
+
+- updated to latest libosmium 2.11 bugfix release
+
+### Fixed
+
+- handler functions not called when using Reader instead of file
+
 ## [2.11.2] - 2017-05-25
 
 ### Added
diff --git a/osmium/version.py b/osmium/version.py
index 5a70d71b..b1fa13a0 100644
--- a/osmium/version.py
+++ b/osmium/version.py
@@ -5,7 +5,7 @@
 # the major version
 pyosmium_major = '2.11'
 # current release (Pip version)
-pyosmium_release = '2.11.2'
+pyosmium_release = '2.11.3'
 
 # libosmium version shipped with the Pip release
-libosmium_version = '2.11.3'
+libosmium_version = '2.11.4'