diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe84ad8a..7aebd681 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+# [1.0.0-alpha.40](https://github.com/vuejs/vitepress/compare/v1.0.0-alpha.39...v1.0.0-alpha.40) (2023-01-20)
+
+
+### Bug Fixes
+
+* **theme:** nav bg not being applied on some viewport ([39294e0](https://github.com/vuejs/vitepress/commit/39294e0a4ec53b245da4344187de842d0044dac8))
+
+
+
 # [1.0.0-alpha.39](https://github.com/vuejs/vitepress/compare/v1.0.0-alpha.38...v1.0.0-alpha.39) (2023-01-20)
 
 
diff --git a/package.json b/package.json
index 142ec113..4586622a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vitepress",
-  "version": "1.0.0-alpha.39",
+  "version": "1.0.0-alpha.40",
   "description": "Vite & Vue powered static site generator",
   "type": "module",
   "packageManager": "pnpm@7.9.2",