diff --git a/back-end/Gemfile.lock b/back-end/Gemfile.lock
index 8376bc4..333a04e 100644
--- a/back-end/Gemfile.lock
+++ b/back-end/Gemfile.lock
@@ -69,7 +69,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.2)
@@ -78,7 +80,7 @@ GEM
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     puma (3.12.6)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
     rack-test (1.1.0)