diff --git a/Gemfile.lock b/Gemfile.lock
index 85d99c2..14fbd13 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -64,7 +64,7 @@ GEM
     kgio (2.9.2)
     method_source (0.8.2)
     mime-types (2.4.3)
-    mini_magick (4.0.1)
+    mini_magick (4.9.5)
     mini_portile (0.6.1)
     minitest (2.6.2)
     multi_json (1.10.1)