diff --git a/pyproject.toml b/pyproject.toml
index 8279dc6d1..6fa81c006 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ dependencies = [
   "transformers==4.57.0",
   "cyclopts",
   "transformers_stream_generator",
-  "opencv-python-headless",
+  "opencv-python-headless<=4.12.0.88",
   "pydantic",
   "tensorboard",
   "xxhash",