diff --git a/Gemfile.lock b/Gemfile.lock
index 39c8d84..2a4d370 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ PATH
   specs:
     couch_docs (1.3.2)
       directory_watcher (~> 1.3.0)
-      json (~> 1.8.0)
+      json (>= 1.8, < 2.4)
       mime-types (~> 1.16)
       rest-client (~> 1.6.0)
 
@@ -11,10 +11,10 @@ GEM
   remote: http://rubygems.org/
   specs:
     directory_watcher (1.3.2)
-    json (1.8.1)
+    json (2.3.1)
     mime-types (1.25.1)
-    rest-client (1.6.7)
-      mime-types (>= 1.16)
+    rest-client (1.6.14)
+      mime-types (~> 1.16)
     rspec (1.3.1)
 
 PLATFORMS
diff --git a/couch_docs.gemspec b/couch_docs.gemspec
index 15a803f..d42673e 100644
--- a/couch_docs.gemspec
+++ b/couch_docs.gemspec
@@ -22,7 +22,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "rspec", ["~> 1.3.0"]
 
   s.add_runtime_dependency(%q<rest-client>, ["~> 1.6.0"])
-  s.add_runtime_dependency(%q<json>, ["~> 1.8.0"])
+  s.add_runtime_dependency(%q<json>, ">= 1.8", "< 2.4")
   s.add_runtime_dependency(%q<directory_watcher>, ["~> 1.3.0"])
   s.add_runtime_dependency(%q<mime-types>, ["~> 1.16"])
 end