diff --git a/Gemfile.lock b/Gemfile.lock
index 77da843..e5b0c50 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,7 +88,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.5.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -98,7 +98,7 @@ GEM
     method_source (1.0.0)
     mimemagic (0.3.5)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.14.1)
     mongo (2.12.1)
       bson (>= 4.8.2, < 5.0.0)
@@ -107,10 +107,12 @@ GEM
       mongo (>= 2.7.0, < 3.0.0)
     msgpack (1.3.3)
     nio4r (2.5.2)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     public_suffix (4.0.5)
     puma (3.12.6)
+    racc (1.6.1)
     rack (2.2.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)