diff --git a/Gemfile.lock b/Gemfile.lock
index 0e49836..1a1b6f3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,7 +29,8 @@ GEM
       safe_yaml (~> 1.0)
     jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
-    jekyll-toc (0.12.1)
+    jekyll-toc (0.13.1)
+      jekyll (>= 3.7)
       nokogiri (~> 1.9)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
@@ -41,7 +42,7 @@ GEM
       ruby_dep (~> 1.2)
     mercenary (0.3.6)
     mini_portile2 (2.4.0)
-    nokogiri (1.10.3)
+    nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)