diff --git a/Gemfile.lock b/Gemfile.lock
index 1493593..ce4b521 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,9 +84,11 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     mongo (2.10.0)
       bson (>= 4.4.2, < 5.0.0)
@@ -100,18 +102,22 @@ GEM
     multipart-post (2.1.1)
     nio4r (2.4.0)
     nio4r (2.4.0-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 (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
+    nokogiri (1.12.5-java)
+      racc (~> 1.4)
+    nokogiri (1.12.5-x64-mingw32)
+      racc (~> 1.4)
+    nokogiri (1.12.5-x86-mingw32)
+      racc (~> 1.4)
     octokit (4.14.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     public_suffix (3.1.1)
     puma (3.12.6)
     puma (3.12.6-java)
+    racc (1.5.2)
+    racc (1.5.2-java)
     rack (2.2.3)
     rack-cors (1.0.5)
       rack (>= 1.6.0)