diff --git a/Gemfile.lock b/Gemfile.lock
index f208ca8d7..5d2d3a737 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -72,7 +72,7 @@ GEM
       nanoc-core (~> 4.11, >= 4.11.15)
     nanoc-gzip.rb (0.2.3)
       nanoc (~> 4.12)
-    nanoc-tidy.rb (0.4.0)
+    nanoc-tidy.rb (0.6.2)
     nanoc-webpack.rb (0.10.1)
       ryo.rb (~> 0.5)
     nio4r (2.7.1)