diff --git a/Gemfile.lock b/Gemfile.lock
index 19de199..3de6a09 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,12 +22,14 @@ GEM
       websocket-driver (>= 0.5.1)
     ffi (1.9.25)
     json (1.8.6)
-    mini_portile2 (2.3.0)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    mini_portile2 (2.6.1)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     parallel (1.12.1)
     parallel_tests (2.21.3)
       parallel
+    racc (1.5.2)
     rake (10.5.0)
     rspec (3.7.0)
       rspec-core (~> 3.7.0)