diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..e8a1fed
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,9 @@
+### Changelog
+
+#### 1.0.0
+
+> 26 February 2020
+
+- Initial source code [`dbe82f2`](https://github.com/isotoma/sops-secretsmanager-cdk/commit/dbe82f223e7fd57893717bf468f6f9f76a25e496)
+- Script and dependencies for versioning [`d8e03c5`](https://github.com/isotoma/sops-secretsmanager-cdk/commit/d8e03c53c3f650b21af5f2397f973f1db9e78ba7)
+- Initial commit [`9ab88b4`](https://github.com/isotoma/sops-secretsmanager-cdk/commit/9ab88b480531d1fff20d9fce855ceec74e04275b)
diff --git a/package.json b/package.json
index 346e588..8bf2a1c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "sops-secretsmanager-cdk",
-    "version": "0.0.0",
+    "version": "1.0.0",
     "scripts": {
         "postinstall": "npm run tsc && npm run get-sops",
         "get-sops": "wget https://github.com/mozilla/sops/releases/download/v3.5.0/sops-v3.5.0.linux -O ./provider/sops && chmod a+x ./provider/sops",