diff --git a/Gemfile.lock b/Gemfile.lock
index 344e858c4..fefc2bc5c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -247,7 +247,9 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.14.2)
@@ -265,7 +267,7 @@ GEM
     ngannotate-rails (1.2.2)
       execjs
       rails (>= 3.1)
-    nio4r (2.5.4)
+    nio4r (2.5.8)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     oauth2 (1.4.0)
@@ -303,7 +305,7 @@ GEM
     polyamorous (1.3.1)
       activerecord (>= 3.0)
     public_suffix (4.0.6)
-    puma (5.0.2)
+    puma (5.6.2)
       nio4r (~> 2.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)