diff --git a/requirements.txt b/requirements.txt
index 8cf2414..0074db7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ idna==2.8
 ipaddr==2.2.0
 lockfile==0.12.2
 lxml==4.6.3
-msgpack==0.6.2
+msgpack==1.2.1
 packaging==20.3
 pep517==0.8.2
 Pillow==8.3.2