diff --git a/HISTORY.md b/HISTORY.md
index 355f369..31a963c 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,8 @@
+3.4.9 / 2022-04-08
+==================
+
+  * Fixes sourcemaps.
+
 3.4.8 / 2022-02-14
 ==================
 
diff --git a/package.json b/package.json
index f7c3a5c..b3176fb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@segment/facade",
-  "version": "3.4.8",
+  "version": "3.4.9",
   "description": "Providing common fields for analytics integrations",
   "keywords": [],
   "main": "dist/index.js",