diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index ebf5799..ceca69c 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -42,12 +42,11 @@ GEM
       sassc (> 2.0.1, < 3.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    just-the-docs (0.2.8)
-      bundler (~> 2.1.4)
-      jekyll (>= 3.8.5, < 4.1.0)
-      jekyll-seo-tag (~> 2.0)
-      rake (>= 12.3.1, < 13.1.0)
-    kramdown (2.3.0)
+    just-the-docs (0.5.4)
+      jekyll (>= 3.8.5)
+      jekyll-seo-tag (>= 2.0)
+      rake (>= 12.3.1)
+    kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.3)
@@ -67,7 +66,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.4)
+    rexml (3.2.5)
     rouge (3.19.0)
     safe_yaml (1.0.5)
     sassc (2.3.0)