diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62629a5..686de79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.1] - 2021-01-14
+
+### Fixed
+
+- Fix build
+
 ## [0.3.0] - 2021-01-14
 
 ### Added
@@ -33,7 +39,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - First release.
 
-[unreleased]: https://github.com/fredericbonnet/graphdown/compare/v0.3.0...HEAD
+[unreleased]: https://github.com/fredericbonnet/graphdown/compare/v0.3.1...HEAD
+[0.3.1]: https://github.com/fredericbonnet/graphdown/releases/tag/v0.3.0
 [0.3.0]: https://github.com/fredericbonnet/graphdown/releases/tag/v0.2.0
 [0.2.0]: https://github.com/fredericbonnet/graphdown/releases/tag/v0.2.0
 [0.1.1]: https://github.com/fredericbonnet/graphdown/releases/tag/v0.1.1
diff --git a/package-lock.json b/package-lock.json
index 190cd6a..255c24d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "graphdown",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index b90d9ee..31d09d1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "graphdown",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "GraphDown converts ASCII diagrams to SVG",
   "author": "Frédéric Bonnet <fredericbonnet@free.fr>",
   "homepage": "https://github.com/fredericbonnet/graphdown",