diff --git a/Gemfile.lock b/Gemfile.lock
index 52345e8..c4cfb35 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -223,7 +223,7 @@ GEM
     mime-types-data (3.2019.1009)
     mimemagic (0.3.3)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.13.0)
     mono_logger (1.1.0)
     multi_json (1.14.1)
@@ -231,8 +231,9 @@ GEM
     mustermann (1.0.3)
     nenv (0.3.0)
     nio4r (2.5.2)
-    nokogiri (1.10.5)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -256,6 +257,7 @@ GEM
     psych (3.1.0)
     public_suffix (4.0.1)
     puma (3.12.1)
+    racc (1.6.0)
     rack (2.0.7)
     rack-protection (2.0.7)
       rack