diff --git a/_metadata.py b/_metadata.py
index 28a3cc7..18add0d 100644
--- a/_metadata.py
+++ b/_metadata.py
@@ -1,2 +1,2 @@
-__extension_version__ = "0.30.0"
+__extension_version__ = "0.31.0"
 __extension_name__ = "pytket-pyquil"
diff --git a/docs/changelog.rst b/docs/changelog.rst
index b8e9bf8..043990a 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -1,9 +1,10 @@
 Changelog
 ~~~~~~~~~
 
-0.31.0 (unreleased)
--------------------
+0.31.0 (November 2023)
+----------------------
 
+* Updated pytket version requirement to 1.22.
 * add pyquil.gates.XY to the native gateset
 
 0.30.0 (October 2023)
diff --git a/setup.py b/setup.py
index 49a84ed..0386ed1 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@
     packages=find_namespace_packages(include=["pytket.*"]),
     include_package_data=True,
     install_requires=[
-        "pytket ~= 1.21",
+        "pytket ~= 1.22",
         "pyquil ~= 3.5",
         "typing-extensions ~= 4.2",
     ],