diff --git a/Gemfile.lock b/Gemfile.lock
index d26a2e4..45a969e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -161,7 +161,7 @@ GEM
     matrix (0.4.3)
     mini_mime (1.1.5)
     minitest (5.27.0)
-    msgpack (1.8.0)
+    msgpack (1.8.2)
     net-imap (0.5.15)
       date
       net-protocol