diff --git a/.gitmodules b/.gitmodules
index 6167966..2f6f4a3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "spec/internal_test_hyku"]
 	path = spec/internal_test_hyku
-	url = https://github.com/samvera/hyku.git
+	url = https://github.com/ubiquitypress/hyku_base.git
+	branch = main
diff --git a/spec/internal_test_hyku b/spec/internal_test_hyku
index d73801e..8139fc4 160000
--- a/spec/internal_test_hyku
+++ b/spec/internal_test_hyku
@@ -1 +1 @@
-Subproject commit d73801e5f26e529fe13cb8d241d2005365f93ee0
+Subproject commit 8139fc4f2fc16c464f072bd3c71c50082325d207