diff --git a/Gemfile.lock b/Gemfile.lock
index dae79f6..00c9c57 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -99,11 +99,12 @@ GEM
     mercenary (0.3.6)
     middleware (0.1.0)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multipart-post (2.0.0)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     octokit (4.13.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.16.1)
@@ -114,6 +115,7 @@ GEM
       thor
       thread_safe
     public_suffix (3.0.3)
+    racc (1.6.0)
     rack (1.6.10)
     rack-test (0.6.3)
       rack (>= 1.0)