diff --git a/Gemfile.lock b/Gemfile.lock
index 6c4aa0f..175f3f0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -218,7 +218,7 @@ GEM
       multipart-post (>= 1.2, < 3)
     faraday_middleware (0.13.1)
       faraday (>= 0.7.4, < 1.0)
-    ffi (1.11.1)
+    ffi (1.15.5)
     fileutils (1.2.0)
     font-awesome-rails (4.7.0.5)
       railties (>= 3.2, < 6.1)
@@ -254,9 +254,9 @@ GEM
       json
     iiif_manifest (1.0.0)
       activesupport (>= 4)
-    image_processing (1.9.3)
+    image_processing (1.12.2)
       mini_magick (>= 4.9.5, < 5)
-      ruby-vips (>= 2.0.13, < 3)
+      ruby-vips (>= 2.0.17, < 3)
     io-like (0.3.0)
     jbuilder (2.9.1)
       activesupport (>= 4.2.0)
@@ -302,8 +302,10 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mimemagic (0.3.3)
-    mini_magick (4.9.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
+    mini_magick (4.11.0)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -424,8 +426,8 @@ GEM
     ruby-oembed (0.12.0)
     ruby-progressbar (1.10.1)
     ruby-rc4 (0.1.5)
-    ruby-vips (2.0.14)
-      ffi (~> 1.9)
+    ruby-vips (2.1.4)
+      ffi (~> 1.12)
     ruby_dep (1.5.0)
     rubyzip (1.2.3)
     sass (3.7.4)