diff --git a/Gemfile.lock b/Gemfile.lock
index 8b9fa42..5f3f625 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -110,14 +110,17 @@ GEM
     microformats (4.0.7)
       json
       nokogiri
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     nenv (0.3.0)
     nio4r (2.3.1)
-    nokogiri (1.8.4)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -131,6 +134,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     puma (3.12.0)
+    racc (1.5.2)
     rack (2.0.5)
     rack-mini-profiler (1.0.0)
       rack (>= 1.2.0)