diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2570e87..f47db0f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [v0.3.1](https://github.com/dtan4/s3url/releases/tag/v0.3.1) (2016-10-21)
+
+## Features
+
+- Add `-h`, `--help` flag to print command line usage
+- Add `-v`, `--version` flag to print binary version
+
 # [v0.3.0](https://github.com/dtan4/s3url/releases/tag/v0.3.0) (2016-09-26)
 
 ## Features
diff --git a/Makefile b/Makefile
index 01632f5..612ce8e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 NAME := s3url
-VERSION := v0.3.0
+VERSION := v0.3.1
 REVISION := $(shell git rev-parse --short HEAD)
 
 LDFLAGS := -ldflags="-s -w -X \"main.Version=$(VERSION)\" -X \"main.Revision=$(REVISION)\""