diff --git a/Gemfile.lock b/Gemfile.lock
index e6f82144fc..40a1f08dae 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,7 +48,9 @@ GEM
       power_assert
     timecop (0.9.4)
     unicode-display_width (2.0.0)
-    yard (0.9.26)
+    webrick (1.7.0)
+    yard (0.9.27)
+      webrick (~> 1.7.0)
 
 PLATFORMS
   ruby
@@ -62,7 +64,7 @@ DEPENDENCIES
   simplecov (= 0.17.1, < 0.18)
   test-unit (= 3.4.4)
   timecop (= 0.9.4)
-  yard (= 0.9.26)
+  yard (= 0.9.27)
 
 BUNDLED WITH
    2.1.4
diff --git a/faker.gemspec b/faker.gemspec
index 129791052a..e742ea1434 100644
--- a/faker.gemspec
+++ b/faker.gemspec
@@ -39,5 +39,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency('simplecov', '0.17.1', '< 0.18')
   spec.add_development_dependency('test-unit', '3.4.4')
   spec.add_development_dependency('timecop', '0.9.4')
-  spec.add_development_dependency('yard', '0.9.26')
+  spec.add_development_dependency('yard', '0.9.27')
 end