diff --git a/requirements.txt b/requirements.txt
index 3c27719..681f309 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,6 +12,6 @@ pycocotools
 matplotlib
 onnxruntime
 onnx
-metaseg
+metaseg==0.6.1
 pyyaml
 av