diff --git a/back-end/Gemfile.lock b/back-end/Gemfile.lock
index 8376bc4..f31eaee 100644
--- a/back-end/Gemfile.lock
+++ b/back-end/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.7.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -69,15 +69,19 @@ 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)
+    mini_portile2 (2.8.0)
     minitest (5.14.2)
     msgpack (1.3.3)
     nio4r (2.5.3)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     puma (3.12.6)
+    racc (1.6.1)
     rack (2.2.3)
     rack-cors (1.1.1)
       rack (>= 2.0.0)