diff --git a/pytket/docs/changelog.rst b/pytket/docs/changelog.rst
index c00957af76..1812c38873 100644
--- a/pytket/docs/changelog.rst
+++ b/pytket/docs/changelog.rst
@@ -27,6 +27,7 @@ Fixes:
   targets.
 * When adding operations to a circuit, check for invalid wires before adding a
   vertex to the circuit.
+* Restrict scipy version to 1.12.x to avoid quimb-related errors from zx module.
 
 1.26.0 (March 2024)
 -------------------
diff --git a/pytket/setup.py b/pytket/setup.py
index 4d991ff639..e384d5c2e3 100755
--- a/pytket/setup.py
+++ b/pytket/setup.py
@@ -194,7 +194,7 @@ def finalize_options(self):
         "sympy ~=1.6",
         "numpy >=1.21.4, <2.0",
         "lark-parser ~=0.7",
-        "scipy >=1.7.2, <2.0",
+        "scipy ~=1.12.0",
         "networkx >= 2.8.8",
         "graphviz ~= 0.14",
         "jinja2 ~= 3.0",