diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b827ce7..022e0f79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,9 +2,10 @@
 
 [Squint](https://github.com/squint-cljs/squint): ClojureScript syntax to JavaScript compiler
 
-## Unreleased
+## v0.4.78 (2023-12-09)
 
 - Add `clojure.set/join`
+- Add `tree-seq`, `flatten`, `seq?` and `sequential?`
 
 ## 0.4.77 (2023-12-09)
 
diff --git a/package.json b/package.json
index 56e8f224..27e83914 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "squint-cljs",
   "type": "module",
   "sideEffects": false,
-  "version": "0.4.77",
+  "version": "0.4.78",
   "files": [
     "core.js",
     "src/squint/core.js",