diff --git a/Gemfile.lock b/Gemfile.lock
index 76dcfd5..ce3235b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -159,7 +159,7 @@ GEM
       thor (>= 0.14, < 2.0)
     json (2.3.0)
     jwt (2.2.2)
-    kramdown (2.3.0)
+    kramdown (2.3.1)
       rexml
     launchy (2.4.3)
       addressable (~> 2.3)
@@ -177,7 +177,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.5.0)
     minitest (5.14.4)