diff --git a/.changeset/quiet-berries-accept.md b/.changeset/quiet-berries-accept.md
deleted file mode 100644
index 157e6799..00000000
--- a/.changeset/quiet-berries-accept.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'@hono/zod-openapi': minor
----
-
-Merge subapps' spec definitions into main app
diff --git a/.changeset/red-chefs-repeat.md b/.changeset/red-chefs-repeat.md
deleted file mode 100644
index 50f3737a..00000000
--- a/.changeset/red-chefs-repeat.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'@hono/zod-openapi': minor
----
-
-Support v3.1 spec output
diff --git a/.changeset/spotty-ads-act.md b/.changeset/spotty-ads-act.md
deleted file mode 100644
index 0b900c06..00000000
--- a/.changeset/spotty-ads-act.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'@hono/zod-openapi': minor
----
-
-OpenAPIHono constructor supports init object
diff --git a/packages/zod-openapi/CHANGELOG.md b/packages/zod-openapi/CHANGELOG.md
index bca023e8..c82f1e91 100644
--- a/packages/zod-openapi/CHANGELOG.md
+++ b/packages/zod-openapi/CHANGELOG.md
@@ -1,5 +1,15 @@
 # @hono/zod-openapi
 
+## 0.4.0
+
+### Minor Changes
+
+- [#153](https://github.com/honojs/middleware/pull/153) [`430088e`](https://github.com/honojs/middleware/commit/430088e17569a12e354c80c1d6da67a9ecbfdffe) Thanks [@mikestopcontinues](https://github.com/mikestopcontinues)! - Merge subapps' spec definitions into main app
+
+- [#153](https://github.com/honojs/middleware/pull/153) [`430088e`](https://github.com/honojs/middleware/commit/430088e17569a12e354c80c1d6da67a9ecbfdffe) Thanks [@mikestopcontinues](https://github.com/mikestopcontinues)! - Support v3.1 spec output
+
+- [#153](https://github.com/honojs/middleware/pull/153) [`430088e`](https://github.com/honojs/middleware/commit/430088e17569a12e354c80c1d6da67a9ecbfdffe) Thanks [@mikestopcontinues](https://github.com/mikestopcontinues)! - OpenAPIHono constructor supports init object
+
 ## 0.3.1
 
 ### Patch Changes
diff --git a/packages/zod-openapi/package.json b/packages/zod-openapi/package.json
index 8e7fdf8f..1d2aea19 100644
--- a/packages/zod-openapi/package.json
+++ b/packages/zod-openapi/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hono/zod-openapi",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "description": "A wrapper class of Hono which supports OpenAPI.",
   "type": "module",
   "main": "dist/index.js",