diff --git a/Gemfile.lock b/Gemfile.lock
index 75b854b706838b..7063e296b418d2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,9 +61,9 @@ GEM
       aws-sdk-core (= 2.9.15)
     aws-sigv4 (1.0.0)
     bcrypt (3.1.11)
-    better_errors (2.1.1)
+    better_errors (2.8.0)
       coderay (>= 1.0.0)
-      erubis (>= 2.6.6)
+      erubi (>= 1.0.0)
       rack (>= 0.9.0)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
@@ -104,7 +104,7 @@ GEM
     climate_control (0.1.0)
     cocaine (0.5.8)
       climate_control (>= 0.0.3, < 1.0)
-    coderay (1.1.1)
+    coderay (1.1.3)
     colorize (0.8.1)
     concurrent-ruby (1.0.5)
     connection_pool (2.2.1)
@@ -139,6 +139,7 @@ GEM
       thread
       thread_safe
     encryptor (3.0.0)
+    erubi (1.10.0)
     erubis (2.7.0)
     et-orbi (1.0.3)
       tzinfo
@@ -233,7 +234,9 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_portile2 (2.1.0)
     minitest (5.10.1)
     multi_json (1.12.1)
@@ -283,7 +286,7 @@ GEM
     puma (3.8.2)
     rabl (0.13.1)
       activesupport (>= 2.3.14)
-    rack (2.0.1)
+    rack (2.2.3)
     rack-attack (5.0.1)
       rack
     rack-cors (0.4.1)