diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1727e69d..bfa2caf3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ and this project adheres (more or less) to [Semantic Versioning](http://semver.o
 ## Unreleased
 
 * Fix issue where the redraw mechanism was not based on the `buffer` prop.
+* Fix incorrect references to ".umd.js" file paths in the package.json
 
 ## 0.30.0 (beta)
 Huge update made by @Remco4EF and @remcoblumink
diff --git a/package.json b/package.json
index 254f12b0..f3e55479 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "test": "jest",
     "test:watch": "jest --watch"
   },
-  "main": "./dist/react-calendar-timeline.umd.js",
+  "main": "./dist/react-calendar-timeline.cjs.js",
   "module": "./dist/react-calendar-timeline.es.js",
   "sideEffects": false,
   "exports": {
@@ -25,7 +25,7 @@
       "sass": "./dist/Timeline.scss",
       "style": "./dist/Timeline.css",
       "import": "./dist/react-calendar-timeline.es.js",
-      "require": "./dist/react-calendar-timeline.umd.js"
+      "require": "./dist/react-calendar-timeline.cjs.js"
     }
   },
   "types": "./dist/index.d.ts",