diff --git a/Gemfile.lock b/Gemfile.lock
index 37cd834968d..bfbb5c2619f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -607,7 +607,7 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
-    mimemagic (0.3.3)
+    mimemagic (0.3.4)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minisyntax (0.2.5)