diff --git a/Gemfile.lock b/Gemfile.lock
index 6916f408..6936e5f1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,9 +48,9 @@ GEM
       sass (>= 3.4.19)
     builder (3.2.3)
     byebug (9.0.6)
-    coffee-rails (4.2.1)
+    coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
-      railties (>= 4.0.0, < 5.2.x)
+      railties (>= 4.0.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -97,7 +97,7 @@ GEM
     minitest (5.10.2)
     multi_json (1.12.1)
     mysql2 (0.4.6)
-    nio4r (2.0.0)
+    nio4r (2.1.0)
     nokogiri (1.7.2)
       mini_portile2 (~> 2.1.0)
     pdf-core (0.7.0)