diff --git a/pyproject.toml b/pyproject.toml
index f4e9c1c..dc06beb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ classifiers = [
 ]
 dynamic = ["version"]
 dependencies = [
-  "mkl",
+  "mkl<2024",
   "numpy",
   "scipy"
 ]