diff --git a/.vscodeignore b/.vscodeignore
index f185c873..f246f7fe 100644
--- a/.vscodeignore
+++ b/.vscodeignore
@@ -2,6 +2,7 @@
 .github/
 .vscode/
 .vscode-test/
+bin/
 out/**
 src/**
 test/**
diff --git a/bin/version b/bin/version
new file mode 100755
index 00000000..cfd0decb
--- /dev/null
+++ b/bin/version
@@ -0,0 +1,21 @@
+#!/bin/sh
+# Usage: version <version> [<file>...]
+# Update CHANGELOG.md for releasing the current state as <version>
+
+if [ $# -eq 0 ]; then
+	sed -En '2,/^$/s/^# //p' "$0" >&2
+	exit 64
+fi
+
+VERSION=$1
+shift
+
+sed -E -f- -i~ CHANGELOG.md <<SED
+/^## \[Unreleased\]\$/ a \\
+\\
+## [$VERSION] - $(date -Idate)
+
+s;^\[Unreleased\]: ([^[:blank:]]+)/v([^/[:blank:]]+)...HEAD\$;\
+[Unreleased]: \1/v$VERSION...HEAD\\
+[$VERSION]: \1/v\2...v$VERSION;
+SED
diff --git a/package.json b/package.json
index 8afdf224..b7b1803d 100644
--- a/package.json
+++ b/package.json
@@ -96,6 +96,7 @@
 	},
 	"main": "./dist/extension.js",
 	"scripts": {
+		"version": "bin/version $npm_package_version && git add CHANGELOG.md",
 		"package": "vsce package",
 		"vscode:prepublish": "npm run build -- --minify",
 		"clean": "rimraf ./out ./dist",