diff --git a/pyproject.toml b/pyproject.toml
index c199603c..0f5bb9f2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -145,7 +145,7 @@ dependencies = [
     "imageio-ffmpeg",
     "jaxtyping",
     "peft>=0.18.0",
-    "trl<=0.21.0",
+    "trl<=0.28.0",
     "termcolor==2.3.0",
 ]