diff --git a/Gemfile.lock b/Gemfile.lock
index f68db3a..10f392c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,22 +117,26 @@ GEM
     mime-types (3.3)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.12.2)
     multipart-post (2.1.1)
     mustermann (1.0.3)
     netrc (0.11.0)
     nio4r (2.5.2)
     nio4r (2.5.2-java)
-    nokogiri (1.10.4)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.4-java)
-    nokogiri (1.10.4-x64-mingw32)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.4-x86-mingw32)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    nokogiri (1.13.4-java)
+      racc (~> 1.4)
+    nokogiri (1.13.4-x64-mingw32)
+      racc (~> 1.4)
+    nokogiri (1.13.4-x86-mingw32)
+      racc (~> 1.4)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
@@ -142,6 +146,8 @@ GEM
       spoon (~> 0.0)
     puma (3.12.1)
     puma (3.12.1-java)
+    racc (1.6.0)
+    racc (1.6.0-java)
     rack (2.0.7)
     rack-protection (2.0.7)
       rack