diff --git a/pineappl_py/pyproject.toml b/pineappl_py/pyproject.toml
index 81a43131..ca25ca7b 100644
--- a/pineappl_py/pyproject.toml
+++ b/pineappl_py/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["maturin>=0.13"]
+requires = ["maturin>=0.13.4"]
 build-backend = "maturin"
 
 [project]