diff --git a/CHANGELOG.md b/CHANGELOG.md
index b5e1986..d4d96a0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [3.1.2]
+
+- Set `User-Agent` for property source attributes on activity logs ([#93](https://github.com/customerio/customerio-node/pull/93))
+
 ## [3.1.1]
 
 - Fixed types for the `fake_bcc` parameter for transactional emails ([#92](https://github.com/customerio/customerio-node/pull/92))
diff --git a/package-lock.json b/package-lock.json
index 7070a04..12ad912 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "customerio-node",
-  "version": "3.1.1",
+  "version": "3.1.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 2801ee3..dc09f7c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "customerio-node",
   "description": "A node client for the Customer.io event API. http://customer.io",
-  "version": "3.1.1",
+  "version": "3.1.2",
   "author": "Customer.io (https://customer.io)",
   "contributors": [
     "Alvin Crespo (https://github.com/alvincrespo)",