diff --git a/Gemfile.lock b/Gemfile.lock
index 3112a04..5b1d273 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,10 +1,10 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    daemons (1.2.3)
+    daemons (1.4.0)
     diff-lcs (1.2.5)
     dotenv (2.1.1)
-    eventmachine (1.2.0.1)
+    eventmachine (1.2.7)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
     ffi (1.9.10)
@@ -13,7 +13,7 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
     multipart-post (2.0.0)
-    rack (1.6.4)
+    rack (1.6.13)
     rack-protection (1.5.3)
       rack
     rb-fsevent (0.9.7)
@@ -38,10 +38,10 @@ GEM
       rack (~> 1.5)
       rack-protection (~> 1.4)
       tilt (>= 1.3, < 3)
-    thin (1.6.4)
+    thin (1.8.1)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
-      rack (~> 1.0)
+      rack (>= 1, < 3)
     tilt (2.0.2)
 
 PLATFORMS