diff --git a/Gemfile.lock b/Gemfile.lock
index 357824a..2d42278 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,13 +17,15 @@ GEM
       ruby-protocol-buffers (= 1.5.1)
     io-like (0.3.0)
     method_source (0.8.2)
-    mini_portile2 (2.3.0)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    mini_portile2 (2.8.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     os (0.9.6)
     parser (2.4.0.2)
       ast (~> 2.3)
     power_assert (1.1.1)
+    racc (1.6.0)
     ruby-protocol-buffers (1.5.1)
     rubyzip (1.2.1)
     selenium-webdriver (3.9.0)