diff --git a/.changeset/slow-plums-bake.md b/.changeset/slow-plums-bake.md
deleted file mode 100644
index d2c64e13..00000000
--- a/.changeset/slow-plums-bake.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'playroom': patch
----
-
-Restrict `playroom`'s Vanilla Extract plugin to only process playroom's `.css.ts` files
diff --git a/.changeset/twelve-stingrays-train.md b/.changeset/twelve-stingrays-train.md
deleted file mode 100644
index 2663124b..00000000
--- a/.changeset/twelve-stingrays-train.md
+++ /dev/null
@@ -1,9 +0,0 @@
----
-'playroom': minor
----
-
-Drop support for browser versions that do not support the `IntersectionObserver` API
-
-Playroom no longer provides a polyfill for [`IntersectionObserver`].
-
-[`intersectionobserver`]: https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff803a0e..8317c42a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # playroom
 
+## 0.40.0
+
+### Minor Changes
+
+- fab7863: Drop support for browser versions that do not support the `IntersectionObserver` API
+
+  Playroom no longer provides a polyfill for [`IntersectionObserver`].
+
+  [`intersectionobserver`]: https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API
+
+### Patch Changes
+
+- fb14616: Restrict `playroom`'s Vanilla Extract plugin to only process playroom's `.css.ts` files
+
 ## 0.39.1
 
 ### Patch Changes
diff --git a/package.json b/package.json
index 1447927e..083427b4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "playroom",
-  "version": "0.39.1",
+  "version": "0.40.0",
   "description": "Design with code, powered by your own component library",
   "main": "utils/index.js",
   "types": "utils/index.d.ts",