diff --git a/Gemfile.lock b/Gemfile.lock
index 0bdc1b5d79..ebde2d22a9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -185,7 +185,8 @@ GEM
       jekyll-seo-tag (~> 2.0)
     jekyll-titles-from-headings (0.5.3)
       jekyll (>= 3.3, < 5.0)
-    jekyll-toc (0.12.2)
+    jekyll-toc (0.13.1)
+      jekyll (>= 3.7)
       nokogiri (~> 1.9)
     jekyll-watch (2.2.1)
       listen (~> 3.0)