diff --git a/pytket/docs/changelog.rst b/pytket/docs/changelog.rst
index fdbb12cec8..0373115641 100644
--- a/pytket/docs/changelog.rst
+++ b/pytket/docs/changelog.rst
@@ -1,8 +1,8 @@
 Changelog
 =========
 
-Unreleased
-----------
+0.19.0 (September 2023)
+-----------------------
 
 Major new features:
 
diff --git a/pytket/docs/conf.py b/pytket/docs/conf.py
index 1a2b417d2b..f0d8e478e3 100644
--- a/pytket/docs/conf.py
+++ b/pytket/docs/conf.py
@@ -38,9 +38,9 @@
 author = "Quantinuum"
 
 # The short X.Y version
-version = "1.18"
+version = "1.19"
 # The full version, including alpha/beta/rc tags
-release = "1.18.0"
+release = "1.19.0"
 
 
 # -- General configuration ---------------------------------------------------