diff --git a/Project.toml b/Project.toml
index cf6cf5e3..bbc52cb4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -30,7 +30,7 @@ ComputationalResources = "0.3.2"
 Distributions = "0.25.109"
 Flux = "0.12, 0.13, 0.14"
 LinearAlgebra = "1.7, 1.10"
-MLJBase = "< 1.4.0"
+MLJBase = "< 1.4.0, 1"
 MLJFlux = "0.5"
 MLJModelInterface = "1.8.0"
 MLUtils = "0.4"