diff --git a/Gemfile.lock b/Gemfile.lock
index 91e619ec..80271408 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -155,7 +155,7 @@ GEM
       mini_mime (>= 0.1.1)
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
-    message_bus (3.3.1)
+    message_bus (3.3.7)
       rack (>= 1.1.3)
     method_source (0.9.2)
     mimemagic (0.3.5)
@@ -195,7 +195,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.3)
-    rack (2.1.1)
+    rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.4.1)