diff --git a/pytket/docs/changelog.rst b/pytket/docs/changelog.rst
index cdc6cc6994..7cad146fb9 100644
--- a/pytket/docs/changelog.rst
+++ b/pytket/docs/changelog.rst
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+1.31.1 (August 2024)
+--------------------
+
+* Fix issue with css styles in pytket-circuit-renderer 0.9.
+
 1.31.0 (August 2024)
 --------------------
 
diff --git a/pytket/docs/conf.py b/pytket/docs/conf.py
index 56111227a1..7331e705d8 100644
--- a/pytket/docs/conf.py
+++ b/pytket/docs/conf.py
@@ -40,7 +40,7 @@
 # The short X.Y version
 version = "1.31"
 # The full version, including alpha/beta/rc tags
-release = "1.31.0"
+release = "1.31.1"
 
 
 # -- General configuration ---------------------------------------------------