CHANGELOG.md in jefferies_tube-1.6.3 vs CHANGELOG.md in jefferies_tube-1.6.3.1

@@ -4,9 +4,11 @@
 
 This project attempts to follow [semantic versioning](https://semver.org/)
 
 ## Unreleased
 
+## 1.6.3.1
+  Bugfix: Check if Rspec is defined
 ## 1.6.3
   Skip simplecov unless running default rake task
 ## 1.6.2
   Make sure simplecov still generates the HTML report
 ## 1.6.1