diff --git a/requirements.txt b/requirements.txt
index 12fde28..be27f84 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,7 +63,7 @@ matplotlib==3.5.2
 matplotlib-inline==0.1.3
 mistune==0.8.4
 ml-collections==0.1.1
-msgpack==1.0.4
+msgpack==1.2.1
 nbclient==0.6.4
 nbconvert==6.5.0
 nbformat==5.4.0