diff --git a/setup.py b/setup.py
index e4cef21..ba2615d 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@
     packages=find_namespace_packages(include=["pytket.*"]),
     include_package_data=True,
     install_requires=[
-        "pytket >= 1.31.0",
+        "pytket >= 1.33.0",
         "pyquil >= 4.13.0",
         "typing-extensions >= 4.12.2",
     ],