diff --git a/CHANGES.rst b/CHANGES.rst
index 2d63ccce38..f9e18ffe25 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -8,6 +8,16 @@ Changelog
 
 .. towncrier release notes start
 
+9.1.1 (2023-10-28)
+------------------
+
+Bug fixes:
+
+
+- Be more strict when checking if mimetype is allowed to be displayed inline.
+  [maurits] (#1167)
+
+
 9.1.0 (2023-10-18)
 ------------------
 
diff --git a/news/1167.bugfix b/news/1167.bugfix
deleted file mode 100644
index 3d8ef86055..0000000000
--- a/news/1167.bugfix
+++ /dev/null
@@ -1,2 +0,0 @@
-Be more strict when checking if mimetype is allowed to be displayed inline.
-[maurits]
diff --git a/setup.py b/setup.py
index c5d7f0fc68..eba7cd5db2 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 import sys
 
 
-version = "9.1.1.dev0"
+version = "9.1.1"
 
 if sys.version_info.major == 2:
     raise ValueError(