diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..6374186
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,3 @@
+# 0.1.0
+
+Initial release
diff --git a/tag.sh b/tag.sh
new file mode 100755
index 0000000..8ad5670
--- /dev/null
+++ b/tag.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+VERSION=$(node -p "require('./package.json').version")
+
+git fetch --tags
+VERSION_COUNT=$(git tag --list $VERSION | wc -l)
+
+if [ $VERSION_COUNT -gt 0 ]
+then
+  echo "Version $VERSION already tagged."
+  exit 0
+else
+  echo "Tagging version $VERSION"
+fi
+
+git tag $VERSION
+git push origin refs/tags/$VERSION