CHANGELOG.md in filestack-2.6.6 vs CHANGELOG.md in filestack-2.6.7

@@ -1,6 +1,9 @@
 # Filestack-Ruby Changelog
 
+## 2.6.7 (August 4, 2020)
+- Add content disposition task
+
 ## 2.6.6 (June 19, 2020)
 - Add compress task to transformations
 
 ## 2.6.5 (January 9, 2020)
 - Updated version of the parallel gem