diff --git a/Gemfile.lock b/Gemfile.lock
index ecee8c4..3306f0b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -164,7 +164,7 @@ GEM
     method_source (1.0.0)
     mimemagic (0.3.5)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.14.1)
     msgpack (1.3.3)
     msgpack (1.3.3-java)
@@ -175,13 +175,15 @@ GEM
     nenv (0.3.0)
     nio4r (2.5.2)
     nio4r (2.5.2-java)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.9-java)
-    nokogiri (1.10.9-x64-mingw32)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.9-x86-mingw32)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    nokogiri (1.13.9-java)
+      racc (~> 1.4)
+    nokogiri (1.13.9-x64-mingw32)
+      racc (~> 1.4)
+    nokogiri (1.13.9-x86-mingw32)
+      racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -200,6 +202,8 @@ GEM
     public_suffix (4.0.5)
     puma (3.12.6)
     puma (3.12.6-java)
+    racc (1.6.0)
+    racc (1.6.0-java)
     rack (2.2.3)
     rack-livereload (0.3.17)
       rack