diff --git a/docs/changelog.md b/docs/changelog.md
index 7da93ef1..7075b170 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -4,6 +4,10 @@
 
 # Changelog
 
+## 0.59.1 (May 2026)
+
+- Update pytket version requirement to 2.(17+).
+
 ## 0.59.0 (April 2026)
 
 - Add `preserve_qubit_names` option to `QuantinuumBackendCompilationConfig`.
diff --git a/pyproject.toml b/pyproject.toml
index ba2c25db..c94a514d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ classifiers = [
     "Topic :: Scientific/Engineering",
 ]
 dependencies = [
-    "pytket ~= 2.16.0",
+    "pytket ~= 2.17",
     "pytket-qir >= 1.0.0",
     "numpy >= 1.26.4",
 ]
diff --git a/pytket/extensions/quantinuum/_metadata.py b/pytket/extensions/quantinuum/_metadata.py
index 1ab1a461..3cd8d158 100644
--- a/pytket/extensions/quantinuum/_metadata.py
+++ b/pytket/extensions/quantinuum/_metadata.py
@@ -1,2 +1,2 @@
-__extension_version__ = "0.59.0"
+__extension_version__ = "0.59.1"
 __extension_name__ = "pytket-quantinuum"