diff --git a/Gemfile.lock b/Gemfile.lock
index b55550e7212..c947f3d3b12 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -432,7 +432,7 @@ GEM
     loofah (2.25.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    mail (2.9.0)
+    mail (2.9.1)
       logger
       mini_mime (>= 0.1.1)
       net-imap