diff --git a/CHANGELOG.next.md b/CHANGELOG.next.md
index 8e86aac6b2..6b0db97cf6 100644
--- a/CHANGELOG.next.md
+++ b/CHANGELOG.next.md
@@ -15,8 +15,6 @@ Thanks, you're awesome :-) -->
 
 #### Bugfixes
 
-* Add `object` as fallback for `flattened` type. #1653 
-
 #### Added
 
 #### Improvements
diff --git a/scripts/requirements.txt b/scripts/requirements.txt
index 0e97888fb1..dfce936466 100644
--- a/scripts/requirements.txt
+++ b/scripts/requirements.txt
@@ -5,3 +5,4 @@ yamllint==1.19.0
 mock==4.0.2
 gitpython==3.1.2
 Jinja2==2.11.3
+markupsafe==2.0.1