diff --git a/requirements-optional.txt b/requirements-optional.txt
index 588ccca30..5213ef988 100644
--- a/requirements-optional.txt
+++ b/requirements-optional.txt
@@ -1,6 +1,6 @@
 numpy==1.26.0
 ruamel.yaml==0.17.32
-msgpack==1.0.5
+msgpack==1.0.6
 tqdm==4.66.1
 pymongo==4.5.0
 pydantic==2.3.0