diff --git a/CHANGELOG.md b/CHANGELOG.md
index 94c176e74..dff9830be 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 
-## Unreleased
+## 0.31.0 - 2021-12-07
 
 ### Added
 - Add three modules to convert between any two AXI ID widths under many different concurrency
@@ -17,10 +17,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
     port without serializing transactions.
   - `axi_id_serialize` reduces AXI IDs by serializing transactions when necessary.
 
-### Changed
-
-### Fixed
-
 
 ## 0.30.0 - 2021-12-01
 
diff --git a/VERSION b/VERSION
index 161da02ff..26bea73e8 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.31.0-dev
+0.31.0
diff --git a/axi.core b/axi.core
index d9afd5688..2cc8f7ccc 100644
--- a/axi.core
+++ b/axi.core
@@ -1,6 +1,6 @@
 CAPI=2:
 
-name : pulp-platform.org::axi:0.31.0-dev
+name : pulp-platform.org::axi:0.31.0
 
 filesets:
   rtl: