diff --git a/backend/Gemfile.lock b/backend/Gemfile.lock
index e7d70f3..03315ca 100644
--- a/backend/Gemfile.lock
+++ b/backend/Gemfile.lock
@@ -85,14 +85,16 @@ GEM
     method_source (0.9.2)
     mimemagic (0.3.4)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.14.0)
     msgpack (1.3.3)
     nio4r (2.5.2)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     puma (4.3.1)
       nio4r (~> 2.0)
+    racc (1.6.0)
     rack (2.2.2)
     rack-cors (1.1.1)
       rack (>= 2.0.0)