diff --git a/Gemfile.lock b/Gemfile.lock
index af19433..27f7783 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,21 +1,21 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.0)
-      public_suffix (~> 2.0, >= 2.0.2)
+    addressable (2.5.2)
+      public_suffix (>= 2.0.2, < 4.0)
     ast (2.3.0)
     coderay (1.1.1)
     cookiejar (0.3.3)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     diff-lcs (1.2.5)
-    em-http-request (1.1.5)
+    em-http-request (1.1.7)
       addressable (>= 2.3.4)
       cookiejar (!= 0.3.1)
       em-socksify (>= 0.3)
       eventmachine (>= 1.0.3)
       http_parser.rb (>= 0.6.0)
-    em-socksify (0.3.1)
+    em-socksify (0.3.2)
       eventmachine (>= 1.0.0.beta.4)
     em-synchrony (1.0.5)
       eventmachine (>= 1.0.0.beta.1)
@@ -38,7 +38,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    public_suffix (2.0.4)
+    public_suffix (3.1.1)
     puffing-billy (0.9.1)
       addressable
       em-http-request (~> 1.1.0)