diff --git a/Gemfile b/Gemfile
index 8b84d0090..83ac5c544 100644
--- a/Gemfile
+++ b/Gemfile
@@ -93,7 +93,7 @@ gem 'lograge'
 gem 'zk'
 
 gem 'mods', '~> 2.1'
-gem 'riiif', '~> 0.3'
+gem 'riiif', '~> 1.1'
 
 gem 'iiif_manifest', '~> 0.1.2'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 43ea20c57..91f7c44ed 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -612,8 +612,8 @@ GEM
     responders (2.3.0)
       railties (>= 4.2.0, < 5.1)
     retriable (3.0.1)
-    riiif (0.4.1)
-      rails (> 3.2.0)
+    riiif (1.1.0)
+      railties (>= 4.2, < 6)
     rolify (5.1.0)
     rsolr (1.1.2)
       builder (>= 2.1.2)
@@ -805,7 +805,7 @@ DEPENDENCIES
   puma
   rails (= 5.0.1)
   rails-controller-testing
-  riiif (~> 0.3)
+  riiif (~> 1.1)
   rolify
   rsolr (~> 1.1.2)
   rspec