diff --git a/Gemfile.lock b/Gemfile.lock
index 6f81474..a665c21 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -58,10 +58,11 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     method_source (0.9.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.13.0)
-    nokogiri (1.10.5)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pg (1.1.4)
     pry (0.12.2)
       coderay (~> 1.1.0)
@@ -69,6 +70,7 @@ GEM
     pry-byebug (3.7.0)
       byebug (~> 11.0)
       pry (~> 0.10)
+    racc (1.6.0)
     rack (2.0.8)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)