diff --git a/Gemfile b/Gemfile
index 9a8b1d6..ef6bfd4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -16,7 +16,7 @@ gem "rubocop-performance", "~> 1.19"
 gem "rubocop-rspec", "~> 2.23"
 
 # A Ruby documentation tool
-gem "yard", "~> 0.9.34"
+gem "yard", "~> 0.9.35"
 
 # An optional library, used to parse XLSX documents when needed
 gem "roo", "~> 2.10"
diff --git a/Gemfile.lock b/Gemfile.lock
index 564b1b4..2f63234 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -74,7 +74,7 @@ GEM
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
     unicode-display_width (2.4.2)
-    yard (0.9.34)
+    yard (0.9.35)
 
 PLATFORMS
   x86_64-darwin
@@ -88,7 +88,7 @@ DEPENDENCIES
   rubocop-rspec (~> 2.23)
   sheetah!
   simplecov (~> 0.22.0)
-  yard (~> 0.9.34)
+  yard (~> 0.9.35)
 
 BUNDLED WITH
    2.4.19