diff --git a/amqp-app/Gemfile.lock b/amqp-app/Gemfile.lock
index b1db33e..50b07f4 100644
--- a/amqp-app/Gemfile.lock
+++ b/amqp-app/Gemfile.lock
@@ -56,8 +56,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.1, >= 2.1.4)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     amq-protocol (1.9.2)
     amqp (1.5.3)
       amq-protocol (~> 1.9)
@@ -102,7 +102,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -111,7 +113,7 @@ GEM
     nokogiri (1.10.3)
       mini_portile2 (~> 2.4.0)
     pg (1.1.4)
-    public_suffix (3.1.1)
+    public_suffix (4.0.7)
     puma (3.12.1)
     rack (2.0.7)
     rack-proxy (0.6.5)