diff --git a/pyproject.toml b/pyproject.toml
index 46e6a3155..dc9d6a44b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,2 +1,2 @@
 [build-system]
-requires = ["setuptools", "wheel", "numpy<1.25", "setuptools_scm[toml]"]
+requires = ["setuptools", "wheel", "numpy<1.27", "setuptools_scm[toml]"]
diff --git a/setup.py b/setup.py
index 155469d11..5c7967216 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
     'h5py',
     'lmfit',
     'numba',
-    'numpy<1.25',  # NOTE: bump this to support the latest version numba supports
+    'numpy<1.27',  # NOTE: bump this to support the latest version numba supports
     'psutil',
     'pycifrw',
     'pyyaml',