diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 893479d..b18c3ea 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -239,7 +239,7 @@ GEM
     lumberjack (1.0.13)
     mercenary (0.3.6)
     method_source (0.9.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minima (2.5.0)
       jekyll (~> 3.5)
       jekyll-feed (~> 0.9)
@@ -249,8 +249,9 @@ GEM
     multipart-post (2.1.1)
     namae (1.0.1)
     nenv (0.3.0)
-    nokogiri (1.10.4)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -262,6 +263,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.1.1)
+    racc (1.6.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)