diff --git a/setup.cfg b/setup.cfg
index 39e59cd41..6221b8cdf 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -44,7 +44,7 @@ install_requires =
     requests-toolbelt==0.10.1
     httpx==0.23.3
     schedule==1.1.0
-    dicomweb-client==0.59.1
+    dicomweb-client[gcp]==0.59.1
     timeloop==1.0.2
     expiringdict==1.2.2
     expiring_dict==1.1.0