diff --git a/Gemfile.lock b/Gemfile.lock
index 7d5a65b8..69a960b2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -281,7 +281,7 @@ GEM
     mina (1.2.3)
       open4 (~> 1.3.4)
       rake
-    mini_magick (4.9.3)
+    mini_magick (4.9.4)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)