diff --git a/spec/acceptance/excon/excon_spec_helper.rb b/spec/acceptance/excon/excon_spec_helper.rb
index 77bf8b5d4..db3870155 100644
--- a/spec/acceptance/excon/excon_spec_helper.rb
+++ b/spec/acceptance/excon/excon_spec_helper.rb
@@ -7,8 +7,13 @@ def http_request(method, uri, options = {}, &block)
     uri      = Addressable::URI.heuristic_parse(uri)
     uri      = uri.omit(:userinfo).to_s.gsub(' ', '%20')
 
-    options  = options.merge(:method => method, :nonblock => false) # Dup and merge
-    response = Excon.new(uri).request(options, &block)
+    if Gem::Version.new(Excon::VERSION) < Gem::Version.new("0.29.0")
+      options  = options.merge(:method => method, :nonblock => false) # Dup and merge
+      response = Excon.new(uri).request(options, &block)
+    else
+      options  = options.merge(:method => method) # Dup and merge
+      response = Excon.new(uri, :nonblock => false).request(options, &block)
+    end
 
     headers  = WebMock::Util::Headers.normalize_headers(response.headers)
     headers  = headers.inject({}) do |res, (name, value)|
diff --git a/webmock.gemspec b/webmock.gemspec
index 6d80650cf..d48a44b4b 100644
--- a/webmock.gemspec
+++ b/webmock.gemspec
@@ -25,7 +25,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'em-synchrony',    '>= 1.0.0' if RUBY_VERSION >= "1.9"
   s.add_development_dependency 'curb',            '>= 0.8.0' unless RUBY_PLATFORM =~ /java/
   s.add_development_dependency 'typhoeus',        '>= 0.5.0' unless RUBY_PLATFORM =~ /java/
-  s.add_development_dependency 'excon',           '>= 0.22.0'
+  s.add_development_dependency 'excon',           '>= 0.27.5', '< 0.30.0'
   s.add_development_dependency 'minitest',        '~> 5.0.0'
   s.add_development_dependency 'rdoc',            ((RUBY_VERSION == '1.8.6') ? '<= 3.5.0' : '>3.5.0')