diff --git a/requirements.txt b/requirements.txt
index 3481138..2e72cf3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ ipaddress==1.0.23
 keyring==25.7.0
 lockfile==0.12.2
 lz4==4.4.5
-msgpack==1.2.0
+msgpack==1.2.1
 packaging==26.2
 parse==1.22.1
 pep517==0.13.1