diff --git a/Gemfile.lock b/Gemfile.lock
index 08e26a3..24457ba 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -146,7 +146,9 @@ GEM
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
     method_source (1.0.0)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.1)
@@ -156,7 +158,7 @@ GEM
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     naught (1.1.0)
-    nio4r (2.5.2)
+    nio4r (2.5.7)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     oauth (0.5.4)
@@ -175,7 +177,7 @@ GEM
       ast (~> 2.4.0)
     pg (1.2.3)
     public_suffix (4.0.5)
-    puma (4.3.5)
+    puma (4.3.8)
       nio4r (~> 2.0)
     rack (2.2.3)
     rack-protection (2.0.8.1)