diff --git a/Gemfile.lock b/Gemfile.lock
index b0e4f0dd..99612420 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -180,7 +180,9 @@ GEM
       rack-contrib (>= 1.1, < 3)
       railties (>= 3.0.0, < 6)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mina (1.2.3)
       open4 (~> 1.3.4)
       rake
@@ -189,7 +191,7 @@ GEM
     mina-multistage (1.0.3)
       mina (~> 1.0)
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     mini_racer (0.2.4)
       libv8 (>= 6.3)
     minitest (5.11.3)
@@ -197,8 +199,9 @@ GEM
     nenv (0.3.0)
     net-ssh (5.1.0)
     nio4r (2.3.1)
-    nokogiri (1.10.1)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -235,6 +238,7 @@ GEM
     puma (3.12.0)
     pundit (2.0.1)
       activesupport (>= 3.0.0)
+    racc (1.5.2)
     rack (2.0.6)
     rack-contrib (2.1.0)
       rack (~> 2.0)