diff --git a/Gemfile.lock b/Gemfile.lock
index 9b864ee..dd661f7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -111,11 +111,13 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.12.2)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     nori (2.6.0)
@@ -134,7 +136,7 @@ GEM
     pry-stack_explorer (0.4.9.3)
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
-    puma (4.2.1)
+    puma (4.3.12)
       nio4r (~> 2.0)
     rack (2.0.7)
     rack-test (1.1.0)