diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff6c0e1..5cd8665 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 1.2.1 (08/24/2020)
+
+- [bug] resolver.moduleBasedResolver must be set for the ember router to enable loading substates, so set that property in the constructor.
+
 # 1.2.0 (05/25/2020)
 
 - [enhancement] bring down upstream, `ember-resolver`, parsing logic, ensures that we don't assert against types that are not required to be dasherized and also put that behind a debug flag
diff --git a/package.json b/package.json
index 6158338..dbbd70a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ember-strict-resolver",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "A fast concise resolver for ember",
   "keywords": [
     "ember-addon"