diff --git a/CHANGELOG.md b/CHANGELOG.md
index 60aaee3e..64df556d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [19.0.2](https://www.github.com/yargs/yargs-parser/compare/v19.0.1...v19.0.2) (2020-08-27)
+
+
+### Bug Fixes
+
+* **types:** envPrefix should be optional ([#305](https://www.github.com/yargs/yargs-parser/issues/305)) ([ae3f180](https://www.github.com/yargs/yargs-parser/commit/ae3f180e14df2de2fd962145f4518f9aa0e76523))
+
 ### [19.0.1](https://www.github.com/yargs/yargs-parser/compare/v19.0.0...v19.0.1) (2020-08-09)
 
 
diff --git a/package.json b/package.json
index 42617556..6ee1e8ad 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "yargs-parser",
-  "version": "19.0.1",
+  "version": "19.0.2",
   "description": "the mighty option parser used by yargs",
   "main": "build/index.cjs",
   "exports": {