diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 27e4159d..f8dbd311 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -84,13 +84,13 @@ GEM
       rb-inotify (>= 0.9)
     maruku (0.7.0)
     mercenary (0.3.4)
-    mini_portile (0.6.0)
+    mini_portile2 (2.4.0)
     minitest (5.4.1)
-    nokogiri (1.8.1)
-      mini_portile (= 0.6.0)
+    nokogiri (1.10.8)
+      mini_portile2 (~> 2.4.0)
     parslet (1.5.0)
       blankslate (~> 2.0)
-    posix-spawn (0.3.9)
+    posix-spawn (0.3.13)
     pygments.rb (0.6.0)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.1.0)
@@ -108,7 +108,7 @@ GEM
       parslet (~> 1.5.0)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    yajl-ruby (1.3.1)
+    yajl-ruby (1.1.0)
 
 PLATFORMS
   ruby