diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0c97f1..4690e05 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+## 7.2.1 (2020-09-19)
+[Compare `@uirouter/visualizer` versions 7.2.0 and 7.2.1](https://github.com/ui-router/visualizer/compare/7.2.0...7.2.1)
+
+### Bug Fixes
+
+* Pin d3-interpolate to 1.4.0 to avoid bundling an arrow function for IE11 compat ([1f4a926](https://github.com/ui-router/visualizer/commit/1f4a926))
+
+
+
+
 # 7.2.0 (2020-09-16)
 [Compare `@uirouter/visualizer` versions 7.1.0 and 7.2.0](https://github.com/ui-router/visualizer/compare/7.1.0...7.2.0)
 
diff --git a/package.json b/package.json
index c10ac34..fc6927d 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@uirouter/visualizer",
   "description": "UI-Router State Visualizer and Transition Visualizer",
-  "version": "7.2.0",
+  "version": "7.2.1",
   "scripts": {
     "start": "npm run bundle && http-server . -o example",
     "clean": "shx rm -rf lib lib-esm _bundles",