diff --git a/pyproject.toml b/pyproject.toml
index 875c1c92..ed2b248a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -100,7 +100,7 @@ dependencies = [
     "torchvision>=0.22.0",
     "torchmetrics[image]==1.7.4",
     "requests>=2.31.0",
-    "transformers",
+    "transformers<5.0.0",
     "pytorch-lightning",
     "huggingface-hub[hf-xet]>=0.30.0",
     "datasets>=3.0",