diff --git a/Gemfile.lock b/Gemfile.lock
index a08a7ed..94f4cfd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -589,7 +589,7 @@ GEM
       axlsx
       rails (>= 3.1)
     backports (3.11.1)
-    better_errors (2.4.0)
+    better_errors (2.9.1)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
@@ -598,7 +598,7 @@ GEM
     bson (4.3.0)
     builder (3.2.3)
     byebug (10.0.1)
-    coderay (1.1.2)
+    coderay (1.1.3)
     coffee-rails (4.1.1)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.1.x)
@@ -618,7 +618,7 @@ GEM
       activesupport (>= 3.0)
       request_store (~> 1.0)
     drydock (0.6.9)
-    erubi (1.7.1)
+    erubi (1.10.0)
     erubis (2.7.0)
     et-orbi (1.0.9)
       tzinfo
@@ -671,7 +671,7 @@ GEM
     public_suffix (3.0.2)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
-    rack (1.6.9)
+    rack (1.6.13)
     rack-mini-profiler (0.10.7)
       rack (>= 1.2.0)
     rack-protection (1.5.5)