diff --git a/Gemfile.lock b/Gemfile.lock
index b75dbf2802..1c205ba598 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -192,8 +192,8 @@ GEM
       jekyll-seo-tag (~> 2.0)
     jekyll-titles-from-headings (0.5.3)
       jekyll (>= 3.3, < 5.0)
-    jekyll-toc (0.15.0)
-      jekyll (>= 3.8)
+    jekyll-toc (0.17.0)
+      jekyll (>= 3.9)
       nokogiri (~> 1.10)
     jekyll-watch (2.2.1)
       listen (~> 3.0)