diff --git a/pyproject.toml b/pyproject.toml
index 6c14b1863..0653a7db9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ dependencies = [
     "numpy",
     "opt_einsum",
     "orjson",
-    "pyscf >= 2.4",
+    "pyscf @ git+https://github.com/pyscf/pyscf",
     "qiskit >= 1.1",
     "scipy",
     "typing-extensions",