diff --git a/.gitmodules b/.gitmodules
index 4381623..5ba9b96 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -252,3 +252,6 @@
 [submodule "docs/submodules/vid/asdcclient.git"]
 	path = docs/submodules/vid/asdcclient.git
 	url = ../vid/asdcclient
+[submodule "docs/submodules/usecase-ui.git"]
+	path = docs/submodules/usecase-ui.git
+	url = ../usecase-ui
diff --git a/docs/release/repolist.rst b/docs/release/repolist.rst
index cf7ba34..b6a1807 100644
--- a/docs/release/repolist.rst
+++ b/docs/release/repolist.rst
@@ -78,3 +78,4 @@
    vnfrqts/guidelines <../submodules/vnfrqts/guidelines.git/docs/index>
    vnfrqts/requirements <../submodules/vnfrqts/requirements.git/docs/index>
    vnfsdk/model <../submodules/vnfsdk/model.git/docs/index>
+   usecase-ui <../submodules/usecase-ui.git/docs/index>
diff --git a/docs/submodules/usecase-ui.git b/docs/submodules/usecase-ui.git
new file mode 160000
index 0000000..10c7172
--- /dev/null
+++ b/docs/submodules/usecase-ui.git
@@ -0,0 +1 @@
+Subproject commit 10c71729955623307b0b4a170a6ef004ab188a91