diff --git a/Gemfile.lock b/Gemfile.lock
index 85d38303f49e..2a8e60c54082 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -308,7 +308,9 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_magick (4.9.2)
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
@@ -364,7 +366,7 @@ GEM
       thor
     raabro (1.1.6)
     racc (1.4.15)
-    rack (2.0.7)
+    rack (2.2.6.2)
     rack-cache (1.8.0)
       rack (>= 0.4)
     rack-protection (2.0.5)