diff --git a/.changeset/smooth-bags-melt.md b/.changeset/smooth-bags-melt.md
deleted file mode 100644
index 0ff1013..0000000
--- a/.changeset/smooth-bags-melt.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'earwurm': patch
----
-
-Various dependency bumps.
diff --git a/.changeset/tricky-guests-decide.md b/.changeset/tricky-guests-decide.md
deleted file mode 100644
index a53cdf2..0000000
--- a/.changeset/tricky-guests-decide.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'earwurm': minor
----
-
-Upgrade to TypeScript 5.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 060c796..934080b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # earwurm
 
+## 0.4.0
+
+### Minor Changes
+
+- f2f911d: Upgrade to TypeScript 5.
+
+### Patch Changes
+
+- d41dfd5: Various dependency bumps.
+
 ## 0.3.0
 
 ### Minor Changes
diff --git a/package.json b/package.json
index a36704f..ae84ca4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "earwurm",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Browser audio for the modern age",
   "author": "Curtis Dulmage",
   "license": "ISC",