diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ad3be0..8ea097b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,18 @@
+## 0.4.0 (2024-10-05)
+
+### Feat
+
+- **updater**: per #9, move over synthos updater code
+
+### Refactor
+
+- **nuserver**: finish updating and porting pkgserver
+- **updater**: add file extension to installer file
+- **updater**: add missing prepared preproc file
+- **updater**: port updater to nusystem
+- **updater_shim**: finish porting to nu
+- **force_start_update**: finish porting force update start script
+
 ## 0.3.0 (2024-10-05)
 
 ### Feat
diff --git a/cz.json b/cz.json
index 3630590..bc85fc3 100644
--- a/cz.json
+++ b/cz.json
@@ -3,7 +3,7 @@
     "name": "cz_conventional_commits",
     "tag_format": "$version",
     "version_scheme": "semver",
-    "version": "0.3.0",
+    "version": "0.4.0",
     "update_changelog_on_bump": true,
     "major_version_zero": true
   }