diff --git a/Gemfile.lock b/Gemfile.lock
index cd181e3..b1bc3c3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,17 +41,19 @@ GEM
       rb-kqueue (>= 0.2)
     lumberjack (1.0.13)
     method_source (0.9.2)
-    mini_portile2 (2.4.0)
-    nokogiri (1.10.4)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.4-x64-mingw32)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.4-x86-mingw32)
-      mini_portile2 (~> 2.4.0)
+    mini_portile2 (2.6.1)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
+    nokogiri (1.12.5-x64-mingw32)
+      racc (~> 1.4)
+    nokogiri (1.12.5-x86-mingw32)
+      racc (~> 1.4)
     nori (2.6.0)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
+    racc (1.6.0)
     rack (2.0.7)
     rake (0.9.6)
     rb-fsevent (0.10.3)