diff --git a/refume/Gemfile.lock b/refume/Gemfile.lock
index b8fe578..2ac4128 100644
--- a/refume/Gemfile.lock
+++ b/refume/Gemfile.lock
@@ -100,16 +100,18 @@ GEM
       mini_mime (>= 0.1.1)
     method_source (0.9.2)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.14.0)
     msgpack (1.3.3)
     nio4r (2.5.2)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     pg (1.2.2)
     public_suffix (4.0.3)
     puma (3.12.4)
     pycall (1.3.0)
+    racc (1.5.2)
     rack (2.2.2)
     rack-proxy (0.6.5)
       rack