diff --git a/Gemfile.lock b/Gemfile.lock
index c8a42af..ef7d78e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -103,12 +103,13 @@ GEM
       mini_mime (>= 0.1.1)
     method_source (0.9.0)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multi_json (1.12.2)
     nio4r (2.1.0)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     pg (0.21.0)
     popper_js (1.12.5)
@@ -120,6 +121,7 @@ GEM
     puma (3.10.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
+    racc (1.6.0)
     rack (2.0.4)
     rack-test (0.8.3)
       rack (>= 1.0, < 3)