diff --git a/Gemfile.lock b/Gemfile.lock
index 9e4c7e5..c68b374 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -198,9 +198,11 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
-    mini_portile2 (2.5.0)
+    mini_portile2 (2.5.1)
     mini_racer (0.1.8)
       libv8 (~> 5.3)
     minitest (5.14.4)
@@ -211,7 +213,7 @@ GEM
       typhoeus (~> 1.0)
     netrc (0.11.0)
     nio4r (2.5.5)
-    nokogiri (1.11.1)
+    nokogiri (1.11.4)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     oauth (0.5.1)