diff --git a/CHANGELOG.md b/CHANGELOG.md
index a605def..ad2fd8c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## 0.4.0
+
+> 2023-02-25
+
+- Added notifications for missing optional modules during import
+- Item macros may now declare required modules
+- Switched to `@attributes.prof` over `@prof`, as the former is always available and the latter is derived
+- Fixed level scaling for XGE's Toll the Dead
+- Fixed crash when creating temporary documents containing Convenient Effects (e.g. via Quick Insert-ing an actor)
+- Improved documentation
+- (Switched to JSON source for changelog; Markdown changelog now generated from JSON)
+
 ## 0.3.7
 
 > 2023-02-05
diff --git a/package-lock.json b/package-lock.json
index 175046a..248ae8e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "plutonium-addon-automation",
-	"version": "0.3.7",
+	"version": "0.4.0",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "plutonium-addon-automation",
-			"version": "0.3.7",
+			"version": "0.4.0",
 			"license": "MIT",
 			"devDependencies": {
 				"@league-of-foundry-developers/foundry-vtt-types": "^9.280.0",
diff --git a/package.json b/package.json
index 84be7b2..9ed123c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "plutonium-addon-automation",
-	"version": "0.3.7",
+	"version": "0.4.0",
 	"author": "Giddy",
 	"type": "module",
 	"license": "MIT",