diff --git a/pyproject.toml b/pyproject.toml
index 17e884b..5dc2832 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ perun = "perun.api.cli:cli"
 [tool.poetry.dependencies]
 python = ">=3.8,<4.0"
 py-cpuinfo = ">=5.0.0"
-numpy = "^1.20.0"
+numpy = ">=1.20.0"
 psutil = "^5.9.0"
 h5py = "^3.5.9"
 pandas = {version = ">=1.3"}