diff --git a/poetry.lock b/poetry.lock
index 47070a9a0..b8d198efb 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1555,53 +1555,60 @@ files = [
 
 [[package]]
 name = "scipy"
-version = "1.14.1"
+version = "1.15.1"
 description = "Fundamental algorithms for scientific computing in Python"
 optional = false
 python-versions = ">=3.10"
 files = [
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 ]
 
 [package.dependencies]
-numpy = ">=1.23.5,<2.3"
+numpy = ">=1.23.5,<2.5"
 
 [package.extras]
 dev = ["cython-lint (>=0.12.2)", "doit (>=0.36.0)", "mypy (==1.10.0)", "pycodestyle", "pydevtool", "rich-click", "ruff (>=0.0.292)", "types-psutil", "typing_extensions"]
-doc = ["jupyterlite-pyodide-kernel", "jupyterlite-sphinx (>=0.13.1)", "jupytext", "matplotlib (>=3.5)", "myst-nb", "numpydoc", "pooch", "pydata-sphinx-theme (>=0.15.2)", "sphinx (>=5.0.0,<=7.3.7)", "sphinx-design (>=0.4.0)"]
-test = ["Cython", "array-api-strict (>=2.0)", "asv", "gmpy2", "hypothesis (>=6.30)", "meson", "mpmath", "ninja", "pooch", "pytest", "pytest-cov", "pytest-timeout", "pytest-xdist", "scikit-umfpack", "threadpoolctl"]
+doc = ["intersphinx_registry", "jupyterlite-pyodide-kernel", "jupyterlite-sphinx (>=0.16.5)", "jupytext", "matplotlib (>=3.5)", "myst-nb", "numpydoc", "pooch", "pydata-sphinx-theme (>=0.15.2)", "sphinx (>=5.0.0,<8.0.0)", "sphinx-copybutton", "sphinx-design (>=0.4.0)"]
+test = ["Cython", "array-api-strict (>=2.0,<2.1.1)", "asv", "gmpy2", "hypothesis (>=6.30)", "meson", "mpmath", "ninja", "pooch", "pytest", "pytest-cov", "pytest-timeout", "pytest-xdist", "scikit-umfpack", "threadpoolctl"]
 
 [[package]]
 name = "scs"
@@ -2048,4 +2055,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.10,<4"
-content-hash = "d1ab23a7ab3fb3af4841617fc2c951c961d8d790f87ef5d49e631c942d67a789"
+content-hash = "ca99febebf63ef73e8156f6bdb7fe796a239ad0de7c1cfb1ef7d437785449334"
diff --git a/pyproject.toml b/pyproject.toml
index 381c6ff89..a83d9304c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ cvxpy = "1.6.0"
 cvxopt = "1.3.2"
 more-itertools = "10.6.0"
 numpy = "2.2.2"
-scipy = "1.14.1"
+scipy = "1.15.1"
 scs = "3.2.7.post2"
 picos = "2.5.1"
 
diff --git a/toqito/state_metrics/matsumoto_fidelity.py b/toqito/state_metrics/matsumoto_fidelity.py
index e559d24ce..f8bdc68ce 100644
--- a/toqito/state_metrics/matsumoto_fidelity.py
+++ b/toqito/state_metrics/matsumoto_fidelity.py
@@ -60,7 +60,7 @@ def matsumoto_fidelity(rho: np.ndarray, sigma: np.ndarray) -> float:
     ... )
     >>> sigma = rho
     >>> np.around(matsumoto_fidelity(rho, sigma), decimals=2)
-    np.longdouble('1.0')
+    np.float64(1.0)
 
     References
     ==========