diff --git a/pyproject.toml b/pyproject.toml
index 7ec978e7d..05bd9db2b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ classifiers = [
     "Programming Language :: Rust",
     "Programming Language :: Python :: Implementation :: CPython",
 ]
-dependencies = ["numpy", "opt_einsum>=3.3", "pyscf==2.3.0", "scipy"]
+dependencies = ["numpy", "opt_einsum>=3.3", "pyscf==2.4.0", "scipy"]
 
 [project.urls]
 Homepage = "https://github.com/qiskit-community/ffsim"