diff --git a/Gemfile.lock b/Gemfile.lock
index dba20b7..d2cffa8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,11 +1,11 @@
 PATH
   remote: .
   specs:
-    qiniu-rs (3.0.5)
-      json (~> 1.7.5)
+    qiniu-rs (3.0.6)
+      json (~> 1.7)
       mime-types (~> 1.19)
-      rest-client (~> 1.6.7)
-      ruby-hmac (~> 0.4.0)
+      rest-client (~> 1.6)
+      ruby-hmac (~> 0.4)
 
 GEM
   remote: https://rubygems.org/
@@ -22,7 +22,7 @@ GEM
       rspec-expectations (~> 2.11.0)
       rspec-mocks (~> 2.11.0)
     rspec-core (2.11.1)
-    rspec-expectations (2.11.2)
+    rspec-expectations (2.11.3)
       diff-lcs (~> 1.1.3)
     rspec-mocks (2.11.2)
     ruby-hmac (0.4.0)
@@ -31,7 +31,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  fakeweb (~> 1.3.0)
+  fakeweb (~> 1.3)
   qiniu-rs!
   rake (~> 0.9)
   rspec (~> 2.11)
diff --git a/lib/qiniu/rs/version.rb b/lib/qiniu/rs/version.rb
index b07f454..01c1c6c 100755
--- a/lib/qiniu/rs/version.rb
+++ b/lib/qiniu/rs/version.rb
@@ -2,6 +2,6 @@
 
 module Qiniu
   module RS
-    VERSION = "3.0.5"
+    VERSION = "3.0.6"
   end
 end
diff --git a/qiniu-rs.gemspec b/qiniu-rs.gemspec
index 8096825..b82562f 100755
--- a/qiniu-rs.gemspec
+++ b/qiniu-rs.gemspec
@@ -19,10 +19,10 @@ Gem::Specification.new do |gem|
   # specify any dependencies here; for example:
   gem.add_development_dependency "rake", "~> 0.9"
   gem.add_development_dependency "rspec", "~> 2.11"
-  gem.add_development_dependency "fakeweb", "~> 1.3.0"
-  gem.add_runtime_dependency "json", "~> 1.7.5"
-  gem.add_runtime_dependency "rest-client", "~> 1.6.7"
+  gem.add_development_dependency "fakeweb", "~> 1.3"
+  gem.add_runtime_dependency "json", "~> 1.7"
+  gem.add_runtime_dependency "rest-client", "~> 1.6"
   gem.add_runtime_dependency "mime-types", "~> 1.19"
-  gem.add_runtime_dependency "ruby-hmac", "~> 0.4.0"
-  gem.add_runtime_dependency "jruby-openssl", "~> 0.7.7" if RUBY_PLATFORM == "java"
+  gem.add_runtime_dependency "ruby-hmac", "~> 0.4"
+  gem.add_runtime_dependency "jruby-openssl", "~> 0.7" if RUBY_PLATFORM == "java"
 end