diff --git a/Gemfile b/Gemfile
index fba0770da..5b72e89a3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -72,7 +72,7 @@ gem "normalize-rails"
 gem "oai"
 gem "omniauth", "2.1.4"
 gem "omniauth-cas", "3.0.2"
-gem "openseadragon", "0.9.0"
+gem "openseadragon", "1.0.17"
 gem "openssl"
 gem "pg"
 gem "prawn"
diff --git a/Gemfile.lock b/Gemfile.lock
index 548e58247..98aa2ff86 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -766,7 +766,7 @@ GEM
       omniauth (~> 2.1)
     open3 (0.2.1)
     open4 (1.3.4)
-    openseadragon (0.9.0)
+    openseadragon (1.0.17)
       rails (> 6.1.0)
     openssl (4.0.2)
     orm_adapter (0.5.0)
@@ -1294,7 +1294,7 @@ DEPENDENCIES
   oai
   omniauth (= 2.1.4)
   omniauth-cas (= 3.0.2)
-  openseadragon (= 0.9.0)
+  openseadragon (= 1.0.17)
   openssl
   parallel_tests
   pdf-reader!