diff --git a/Gemfile.lock b/Gemfile.lock
index 20c1e13..a0cbfb2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,17 +2,19 @@ PATH
   remote: .
   specs:
     fuelsdk (0.10.2)
-      json (~> 1.7)
+      json (>= 1.7, < 3.0)
       jwt (~> 1.0)
       savon (~> 2.3)
 
 GEM
   remote: https://rubygems.org/
   specs:
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
     akami (1.3.1)
       gyoku (>= 0.4.0)
       nokogiri
-    builder (3.2.3)
+    builder (3.2.4)
     coderay (1.0.9)
     diff-lcs (1.2.4)
     ffi (1.9.0)
@@ -29,10 +31,10 @@ GEM
       rspec (~> 2.13)
     gyoku (1.3.1)
       builder (>= 2.1.2)
-    httpi (2.4.2)
+    httpi (2.4.5)
       rack
       socksify
-    json (1.8.6)
+    json (2.5.1)
     jwt (1.5.6)
     listen (1.3.0)
       rb-fsevent (>= 0.9.3)
@@ -40,9 +42,12 @@ GEM
       rb-kqueue (>= 0.2)
     lumberjack (1.0.4)
     method_source (0.8.2)
-    mini_portile2 (2.1.0)
-    nokogiri (1.7.2)
-      mini_portile2 (~> 2.1.0)
+    mini_portile2 (2.5.0)
+    nokogiri (1.11.1)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
+    nokogiri (1.11.1-x86-mingw32)
+      racc (~> 1.4)
     nori (2.6.0)
     pry (0.9.12.2)
       coderay (~> 1.0.5)
@@ -53,7 +58,9 @@ GEM
       method_source (~> 0.8)
       slop (~> 3.4)
       win32console (~> 1.3)
-    rack (2.0.3)
+    public_suffix (4.0.6)
+    racc (1.5.2)
+    rack (2.2.3)
     rake (10.1.0)
     rb-fsevent (0.9.3)
     rb-inotify (0.9.1)
@@ -68,18 +75,19 @@ GEM
     rspec-expectations (2.14.2)
       diff-lcs (>= 1.1.3, < 2.0)
     rspec-mocks (2.14.3)
-    savon (2.11.1)
+    savon (2.12.1)
       akami (~> 1.2)
       builder (>= 2.1.2)
       gyoku (~> 1.2)
       httpi (~> 2.3)
-      nokogiri (>= 1.4.0)
+      nokogiri (>= 1.8.1)
       nori (~> 2.4)
       wasabi (~> 3.4)
     slop (3.4.6)
     socksify (1.7.1)
     thor (0.18.1)
-    wasabi (3.5.0)
+    wasabi (3.6.1)
+      addressable
       httpi (~> 2.0)
       nokogiri (>= 1.4.2)
     win32console (1.3.2-x86-mingw32)
diff --git a/fuelsdk.gemspec b/fuelsdk.gemspec
index f73b078..41f8a82 100644
--- a/fuelsdk.gemspec
+++ b/fuelsdk.gemspec
@@ -25,6 +25,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "guard-rspec"
 
   spec.add_dependency "savon", "~>2.3"
-  spec.add_dependency "json", "~> 1.7"
+  spec.add_dependency "json", ">= 1.7", "< 3.0"
   spec.add_dependency "jwt", "~> 1.0"
 end