diff --git a/Gemfile.lock b/Gemfile.lock
index 7493a42..06d590c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,19 +2,21 @@ GEM
   remote: http://rubygems.org/
   specs:
     builder (3.2.4)
-    mini_portile2 (2.4.0)
-    minitest (5.14.1)
+    mini_portile2 (2.8.0)
+    minitest (5.16.3)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.10-x86-mingw32)
-      mini_portile2 (~> 2.4.0)
-    rack (2.2.3)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    nokogiri (1.13.9-x86-mingw32)
+      racc (~> 1.4)
+    racc (1.6.0)
+    rack (2.2.4)
     rack-protection (2.0.8.1)
       rack
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
+    rack-test (2.0.2)
+      rack (>= 1.3)
     rake (13.0.1)
     ruby2_keywords (0.0.2)
     sinatra (2.0.8.1)