diff --git a/Gemfile.lock b/Gemfile.lock
index d557187..f88b83f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,13 +73,15 @@ GEM
       yard
     log_switch (0.3.0)
     method_source (0.9.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.14.1)
     mixlib-cli (2.1.8)
     multi_json (1.15.0)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
-    nokogiri (1.8.2-java)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    nokogiri (1.13.9-java)
+      racc (~> 1.4)
     nuggets (1.5.0)
     parallel (1.12.1)
     parser (2.4.0.2)
@@ -91,6 +93,8 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
       spoon (~> 0.0)
+    racc (1.6.0)
+    racc (1.6.0-java)
     rainbow (2.2.2)
       rake
     rake (12.3.0)