diff --git a/pyproject.toml b/pyproject.toml
index bda21b75..307ea493 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,7 +73,7 @@ pyrootutils = "*"
 rich = "*"
 robust-downloader = "*"
 scipy = "*"
-tensordict = ">=0.4.0"
+tensordict = ">=0.4.0, <0.6.0"
 torchrl = ">=0.4.0"
 wandb = "*"
 # Dev dependencies