diff --git a/Gemfile.lock b/Gemfile.lock
index 4416605..d486859 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -293,7 +293,7 @@ GEM
     matrix (0.4.3)
     mcp (1.4.0)
       json_schemer (>= 2.4)
-    mini_magick (5.3.3)
+    mini_magick (5.4.0)
       logger
     mini_mime (1.1.5)
     minitest (6.0.6)