diff --git a/pyproject.toml b/pyproject.toml
index 482e159b4..b47b6eeaf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,8 +37,8 @@ dependencies = [
   "lmfit>=1.2.2,<2",
   "pandas<2.2.1 ; python_version < '3.9'",
   "pandas>=2.2.2,<3 ; python_version >= '3.9'",
-  "numpy<1.26.5; python_version < '3.9'",
-  "numpy>=1.26.4,<2 ; python_version >= '3.9'",
+  "numpy<2.2.3; python_version < '3.9'",
+  "numpy>=2.2.2,<3; python_version >= '3.9'",
   "emcee>=3.1.2,<4",
   "tabulate>=0.9.0,<0.10",
   "PyYAML~=6.0",