diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3fe66366..efe2b094 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Changelog
 
-## [master](https://github.com/anmonteiro/lumo/compare/1.4.1...HEAD) (unreleased)
+## [master](https://github.com/anmonteiro/lumo/compare/1.5.0...HEAD) (unreleased)
+
+## [1.5.0](https://github.com/anmonteiro/lumo/compare/1.4.1...1.5.0) (2017-05-13)
 
 ### New features
 
@@ -13,7 +15,8 @@
 ### Changes
 
 - Upgrade Node.js to version 7.10.0.
-- Upgrade ClojureScript to version 1.9.542.
+- Upgrade ClojureScript to version 1.9.542. This includes the renaming of Spec
+namespaces to `cljs.spec.alpha`, `cljs.spec.gen.alpha`, etc.
 
 ### Bug fixes
 
diff --git a/package.json b/package.json
index bd79a3da..f7ed26a2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lumo",
-  "version": "1.4.1",
+  "version": "1.5.0",
   "description": "Fast, cross-platform, standalone ClojureScript REPL",
   "author": "António Nuno Monteiro <anmonteiro@gmail.com> (https://anmonteiro.com)",
   "license": "EPL-1.0",
diff --git a/packages/lumo/package.json b/packages/lumo/package.json
index 8d489274..d88f657e 100644
--- a/packages/lumo/package.json
+++ b/packages/lumo/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lumo-cljs",
-  "version": "1.4.1",
+  "version": "1.5.0",
   "description": "Fast, cross-platform, standalone ClojureScript REPL",
   "author": "António Nuno Monteiro <anmonteiro@gmail.com> (https://anmonteiro.com)",
   "license": "EPL-1.0",