diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a6e0105c4..f05e151280 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@ All notable changes to this project are documented below.
 
 The format is based on [keep a changelog](http://keepachangelog.com/) and this project uses [semantic versioning](http://semver.org/).
 
-## [Unreleased]
+## [0.13.1] - 2017-06-08
 ### Added
 - Runtime Base64 and Base16 conversion util functions.
 
diff --git a/Makefile b/Makefile
index 78e2806d87..a40ad8533a 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 BINNAME := nakama
-VERSION := 0.14.0-dev
+VERSION := 0.13.1
 BUILDDIR := build
 COMMITID := $(shell git rev-parse --short HEAD 2>/dev/null || echo nosha)
 DOCKERDIR := install/docker/nakama