diff --git a/Gemfile.lock b/Gemfile.lock
index f8bf193..e951094 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -142,7 +142,7 @@ GEM
       nokogiri (~> 1)
       rake
     mini_mime (1.0.1)
-    mini_portile2 (2.5.1)
+    mini_portile2 (2.6.1)
     mini_racer (0.2.4)
       libv8 (>= 6.3)
     minitest (5.11.3)
@@ -150,15 +150,15 @@ GEM
     multi_json (1.13.1)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.11.4)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
     pg (1.1.4)
     popper_js (1.14.5)
     public_suffix (4.0.6)
     puma (4.3.9)
       nio4r (~> 2.0)
-    racc (1.5.2)
+    racc (1.6.0)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)