diff --git a/rb/Gemfile.lock b/rb/Gemfile.lock
index 9d78e9be1976b..660b3ebb21d7f 100644
--- a/rb/Gemfile.lock
+++ b/rb/Gemfile.lock
@@ -55,7 +55,7 @@ GEM
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff
-    yard (0.9.9)
+    yard (0.9.12)
 
 PLATFORMS
   ruby
@@ -67,7 +67,7 @@ DEPENDENCIES
   rubocop (~> 0.50.0)
   selenium-webdriver!
   webmock (~> 2.0)
-  yard (~> 0.9.9)
+  yard (~> 0.9.11)
 
 BUNDLED WITH
    1.16.0
diff --git a/rb/selenium-webdriver.gemspec b/rb/selenium-webdriver.gemspec
index 21f42c7427318..4d561d1293097 100644
--- a/rb/selenium-webdriver.gemspec
+++ b/rb/selenium-webdriver.gemspec
@@ -26,6 +26,6 @@ HTML of the application.'
   s.add_development_dependency 'rspec', ['~> 3.0']
   s.add_development_dependency 'rack', ['~> 1.0']
   s.add_development_dependency 'webmock', ['~> 2.0']
-  s.add_development_dependency 'yard', ['~> 0.9.9']
+  s.add_development_dependency 'yard', ['~> 0.9.11']
   s.add_development_dependency 'rubocop', ['~> 0.50.0']
 end
diff --git a/third_party/rb/vendor/cache/yard-0.9.12.gem b/third_party/rb/vendor/cache/yard-0.9.12.gem
new file mode 100644
index 0000000000000..51989822e2d17
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diff --git a/third_party/rb/vendor/cache/yard-0.9.9.gem b/third_party/rb/vendor/cache/yard-0.9.9.gem
deleted file mode 100644
index 07018bd152686..0000000000000
Binary files a/third_party/rb/vendor/cache/yard-0.9.9.gem and /dev/null differ