diff --git a/.gitmodules b/.gitmodules
index 23fe458..751baa0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "testGitExtLibraryID"]
 	path = testGitExtLibraryID
 	url = ssh://git.eclipse.org:29418/emfcompare/acceptance-submodules/testGitExtLibraryID.git
+[submodule "testGitUML"]
+	path = testGitUML
+	url = ssh://git.eclipse.org:29418/emfcompare/acceptance-submodules/testGitUML.git
diff --git a/testGitUML b/testGitUML
new file mode 160000
index 0000000..a5853dc
--- /dev/null
+++ b/testGitUML
@@ -0,0 +1 @@
+Subproject commit a5853dc901a3b30831a02ce3517b70ce8797bc5b