diff --git a/changelogs/v1.0.1-changelog.md b/changelogs/v1.0.1-changelog.md
new file mode 100644
index 0000000..b8812cf
--- /dev/null
+++ b/changelogs/v1.0.1-changelog.md
@@ -0,0 +1,14 @@
+## Changes
+
+**User Agent**
+
+- Added User-Agent header with version info
+
+
+## Breaking Changes
+
+None.
+
+## Migration Guide
+
+No migration needed for this release.
diff --git a/package.json b/package.json
index 99f16a2..758b435 100644
--- a/package.json
+++ b/package.json
@@ -80,8 +80,9 @@
     "test": "vitest run",
     "coverage": "vitest run --coverage",
     "check:state": "git diff --quiet && git diff --cached --quiet || { echo 'Git working directory is not clean. Please commit or stash changes before publishing.'; exit 1; }",
-    "check:branch": "if [[ $(git symbolic-ref --short HEAD) != 'master' && ! $(git symbolic-ref --short HEAD) =~ ^release/ ]]; then echo 'You must be on the master branch or a release branch (release/...).'; exit 1; fi",
-    "prepublishOnly": "npm run check:state && npm run check:branch && npm run build"
+    "check:branch": "if [ $(git symbolic-ref --short HEAD) != 'master' ]; then echo 'You must be on the master branch to publish.'; exit 1; fi",
+    "check:changelog": "VERSION=$(node -p \"require('./package.json').version\") && if [ ! -f \"changelogs/v${VERSION}-changelog.md\" ]; then echo \"No changelog file found for version ${VERSION}.\"; exit 1; fi",
+    "prepublishOnly": "npm run check:state && npm run check:branch && npm run check:changelog && npm run build"
   },
   "engines": {
     "node": ">=20"