diff --git a/Gemfile b/Gemfile
index 8786e75cb..811ea67c4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -75,7 +75,7 @@ gem "activerecord-import", "0.19.1"
 
 gem "carrierwave", "1.1.0"
 gem "fog-aws",     "1.4.0"
-gem "mini_magick", "4.6.1"
+gem "mini_magick", "4.8.0"
 
 # GUID generation
 gem "uuid", "2.3.8"
diff --git a/Gemfile.lock b/Gemfile.lock
index 1fb8a19a5..ab8466678 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -365,7 +365,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_magick (4.6.1)
+    mini_magick (4.8.0)
     mini_portile2 (2.1.0)
     minitest (5.10.2)
     mobile-fu (1.3.1)
@@ -807,7 +807,7 @@ DEPENDENCIES
   leaflet-rails (= 0.7.7)
   logging-rails (= 0.5.0)
   markerb (= 1.1.0)
-  mini_magick (= 4.6.1)
+  mini_magick (= 4.8.0)
   minitest
   mobile-fu (= 1.3.1)
   mysql2 (= 0.4.8)