diff --git a/Gemfile.lock b/Gemfile.lock
index ae751e1..5b1868c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -142,9 +142,9 @@ GEM
       ice_nine (~> 0.11.0)
       thread_safe (~> 0.3, >= 0.3.1)
     bcrypt (3.1.11)
-    better_errors (2.1.1)
+    better_errors (2.9.1)
       coderay (>= 1.0.0)
-      erubis (>= 2.6.6)
+      erubi (>= 1.0.0)
       rack (>= 0.9.0)
     binding_of_caller (0.8.0)
       debug_inspector (>= 0.0.1)
@@ -156,7 +156,7 @@ GEM
       thor (~> 0.19)
     builder (3.2.3)
     chronic (0.10.2)
-    coderay (1.1.1)
+    coderay (1.1.3)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
     concurrent-ruby (1.1.5)
@@ -178,6 +178,7 @@ GEM
       activesupport (>= 3.0)
       request_store (~> 1.0)
     equalizer (0.0.11)
+    erubi (1.10.0)
     erubis (2.7.0)
     execjs (2.6.0)
     faraday (0.9.2)
@@ -254,7 +255,7 @@ GEM
     puma (3.11.4)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
-    rack (1.6.12)
+    rack (1.6.13)
     rack-force_domain (0.3.0)
     rack-test (0.6.3)
       rack (>= 1.0)