diff --git a/Gemfile.lock b/Gemfile.lock
index ee03789..e4bdfc4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -89,7 +89,7 @@ GEM
     execjs (2.7.0)
     faraday (0.12.2)
       multipart-post (>= 1.2, < 3)
-    ffi (1.11.1)
+    ffi (1.11.3)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
@@ -99,14 +99,14 @@ GEM
       activesupport (>= 4.2.0)
     hashdiff (1.0.0)
     hashie (3.5.7)
-    http (4.2.0)
+    http (4.3.0)
       addressable (~> 2.3)
       http-cookie (~> 1.0)
-      http-form_data (~> 2.0)
+      http-form_data (~> 2.2)
       http-parser (~> 1.2.0)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    http-form_data (2.1.1)
+    http-form_data (2.2.0)
     http-parser (1.2.1)
       ffi-compiler (>= 1.0, < 2.0)
     i18n (1.8.1)
@@ -152,7 +152,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (4.0.1)
+    public_suffix (4.0.3)
     puma (3.12.1)
     rack (2.0.8)
     rack-proxy (0.6.5)