diff --git a/pyproject.toml b/pyproject.toml
index a52e9e6c..0207ee21 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dynamic = [
 dependencies = [
   "cycler>=0.10",
   "matplotlib>=3.3",
-  "numpy>=1.21.2,<1.27",
+  "numpy<1.27,>=1.21.2",
   "pyglotaran>=0.7",
   "tabulate>=0.8.9",
   "xarray>=2022.3",