diff --git a/Gemfile b/Gemfile
index eba444908..a6aef6e97 100644
--- a/Gemfile
+++ b/Gemfile
@@ -71,7 +71,7 @@ gem "activerecord-import", "0.13.0"
 
 gem "carrierwave", "0.11.2"
 gem "fog",         "1.38.0"
-gem "mini_magick", "4.4.0"
+gem "mini_magick", "4.5.1"
 gem "remotipart",  "1.2.1"
 
 # GUID generation
diff --git a/Gemfile.lock b/Gemfile.lock
index 75aad7a08..bc5d345ec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -469,7 +469,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0221)
     mimemagic (0.3.1)
-    mini_magick (4.4.0)
+    mini_magick (4.5.1)
     mini_portile2 (2.0.0)
     minitest (5.8.4)
     mobile-fu (1.3.1)
@@ -853,7 +853,7 @@ DEPENDENCIES
   logging-rails (= 0.5.0)
   markerb (= 1.1.0)
   messagebus_ruby_api (= 1.0.3)
-  mini_magick (= 4.4.0)
+  mini_magick (= 4.5.1)
   minitest
   mobile-fu (= 1.3.1)
   mysql2 (= 0.4.3)