diff --git a/Gemfile.lock b/Gemfile.lock
index d0a871f42..980ab6615 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -140,7 +140,7 @@ GEM
     mini_mime (1.1.5)
     mini_portile2 (2.8.7)
     minitest (5.25.1)
-    msgpack (1.7.3)
+    msgpack (1.7.5)
     net-imap (0.4.17)
       date
       net-protocol