diff --git a/pyproject.toml b/pyproject.toml
index 07da17eb0..d5d33c1e6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,8 @@ scipy = "^1.9.3"
 mne = "^1.7.0"
 pandas = ">=1.5.2"
 h5py = "^3.10.0"
-scikit-learn = ">=1.4.2"
+# TODO: remove this once skorch release
+scikit-learn = "<1.6"
 matplotlib = "^3.6.2"
 seaborn = "^0.12.1"
 pyriemann = "^0.7"