diff --git a/package.json b/package.json
index adc5e1ea..dacb0916 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ng-config",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "author": "DagonMetric",
   "license": "MIT",
   "repository": {
diff --git a/release-notes/README.md b/release-notes/README.md
index 32058394..7f86adb5 100644
--- a/release-notes/README.md
+++ b/release-notes/README.md
@@ -2,6 +2,7 @@
 
 | Date (UTC) | Version |  |  |
 | :-- | :-- | :--: | :-- |
+| 2020-06-19 | 4.2.1 | [release notes](v4.2.1/README.md)/[npm](https://www.npmjs.com/package/@dagonmetric/ng-config/v/4.2.1) | - |
 | 2020-06-15 | 4.2.0 | [release notes](v4.2.0/README.md)/[npm](https://www.npmjs.com/package/@dagonmetric/ng-config/v/4.2.0) | - |
 | 2020-06-14 | 4.1.2 | [release notes](v4.1.2/README.md)/[npm](https://www.npmjs.com/package/@dagonmetric/ng-config/v/4.1.2) | - |
 | 2020-06-14 | 4.1.1 | [release notes](v4.1.1/README.md)/[npm](https://www.npmjs.com/package/@dagonmetric/ng-config/v/4.1.1) | - |
diff --git a/release-notes/v4.2.1/README.md b/release-notes/v4.2.1/README.md
new file mode 100644
index 00000000..4e5751e9
--- /dev/null
+++ b/release-notes/v4.2.1/README.md
@@ -0,0 +1,8 @@
+## Changes
+
+* Update docs
+
+npm packages are available on:
+
+* [@dagonmetric/ng-config - npm registry](https://www.npmjs.com/package/@dagonmetric/ng-config)
+* [@dagonmetric/ng-config - github package registry](https://github.com/DagonMetric/ng-config/packages)