diff --git a/CHANGELOG.md b/CHANGELOG.md
index b86ddf9..f973c61 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.
 
+### [5.0.5](https://www.github.com/yargs/y18n/compare/v5.0.4...v5.0.5) (2020-10-25)
+
+
+### Bug Fixes
+
+* address prototype pollution issue ([#108](https://www.github.com/yargs/y18n/issues/108)) ([a9ac604](https://www.github.com/yargs/y18n/commit/a9ac604abf756dec9687be3843e2c93bfe581f25))
+
 ### [5.0.4](https://www.github.com/yargs/y18n/compare/v5.0.3...v5.0.4) (2020-10-16)
 
 
diff --git a/package.json b/package.json
index ba71318..b9eea16 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "y18n",
-  "version": "5.0.4",
+  "version": "5.0.5",
   "description": "the bare-bones internationalization library used by yargs",
   "exports": {
     ".": [