diff --git a/app/services/iiif_metadata_service.rb b/app/services/iiif_metadata_service.rb
index e50614bc..64b701cf 100644
--- a/app/services/iiif_metadata_service.rb
+++ b/app/services/iiif_metadata_service.rb
@@ -44,7 +44,11 @@ def image_height
   # @return [String] the IIIF info response
   def retrieve
     with_retries max_tries: 3, rescue: [HTTP::ConnectionError] do
-      handle_response(HTTP.get(@url))
+      handle_response(
+        # Disable url normalization as an upstream bug in addressable causes issues for `+`
+        # https://github.com/sporkmonger/addressable/issues/386
+        HTTP.use({ normalize_uri: { normalizer: lambda(&:itself) } }).get(@url)
+      )
     end
   end
 
diff --git a/spec/services/iiif_metadata_service_spec.rb b/spec/services/iiif_metadata_service_spec.rb
index 4aa1d1f6..e9f64bd3 100644
--- a/spec/services/iiif_metadata_service_spec.rb
+++ b/spec/services/iiif_metadata_service_spec.rb
@@ -8,6 +8,7 @@
   end
   let(:base_uri) { 'https://sul-imageserver-uat.stanford.edu/cantaloupe/iiif/2/' } # 'image-server-path'
   let(:service) { described_class.new(image_id: identifier, canonical_url: 'foo', base_uri: base_uri) }
+  let(:http_client) { instance_double(HTTP::Client) }
 
   context "When a valid JSON response is received" do
     let(:json) do
@@ -19,8 +20,11 @@
       '"sizes":[{"width":1916,"height":1276}]}'
     end
     let(:response) { instance_double(HTTP::Response, code: 200, body: json) }
+
     before do
-      allow(HTTP).to receive(:get)
+      allow(HTTP).to receive(:use)
+        .and_return(http_client)
+      allow(http_client).to receive(:get)
         .with('https://sul-imageserver-uat.stanford.edu/cantaloupe/iiif/2/nr%2F349%2Fct%2F7889%2Fnr349ct7889_00_0001.jp2/info.json')
         .and_return(response)
     end
@@ -54,7 +58,9 @@
     let(:empty_json) { '' }
     let(:bad_response) { instance_double(HTTP::Response, code: 200, body: empty_json) }
     before do
-      allow(HTTP).to receive(:get)
+      allow(HTTP).to receive(:use)
+        .and_return(http_client)
+      allow(http_client).to receive(:get)
         .with('https://sul-imageserver-uat.stanford.edu/cantaloupe/iiif/2/nr%2F349%2Fct%2F7889%2Fnr349ct7889_00_0001.jp2/info.json')
         .and_return(bad_response)
     end