diff --git a/pyproject.toml b/pyproject.toml
index ce03a3f..8356b3f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ dependencies = [
     "cascade-config>=0.4.0",
     "click>=7",
     "customtkinter>=5,<6",
-    "deeplc>=3.1",
+    "deeplc>=3.0,<3.1",
     "deeplcretrainer",
     "im2deep>=0.1.3",
     "jinja2>=3",