diff --git a/Gemfile.lock b/Gemfile.lock
index 270b9031..66078c16 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -286,7 +286,7 @@ GEM
     mina (0.3.8)
       open4 (~> 1.3.4)
       rake
-    mini_magick (4.8.0)
+    mini_magick (4.9.2)
     mini_mime (1.0.1)
     mini_portile2 (2.3.0)
     minitest (5.11.3)