diff --git a/Gemfile b/Gemfile
index 06d58d21c..fde11b3a2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -77,7 +77,7 @@ gem 'clamav', group: :production
 gem 'config'
 
 # Use gem version of cozy-sun-bear
-gem 'cozy-sun-bear', git: 'https://github.com/mlibrary/cozy-sun-bear', ref: '7beab3071fa22f9aac6fcc2a487ff3ad0510df1a'
+gem 'cozy-sun-bear', git: 'https://github.com/mlibrary/cozy-sun-bear', ref: 'd9f4b3f49edf717312bd375b52dcefd8eac95fb7'
 
 # Force epub search results to be sentences
 gem 'pragmatic_segmenter', '~> 0.3'
diff --git a/Gemfile.lock b/Gemfile.lock
index 31f8adef5..fe5e686de 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GIT
   remote: https://github.com/mlibrary/cozy-sun-bear
-  revision: 7beab3071fa22f9aac6fcc2a487ff3ad0510df1a
-  ref: 7beab3071fa22f9aac6fcc2a487ff3ad0510df1a
+  revision: d9f4b3f49edf717312bd375b52dcefd8eac95fb7
+  ref: d9f4b3f49edf717312bd375b52dcefd8eac95fb7
   specs:
     cozy-sun-bear (0.1.0)
       railties (>= 3.1.1)