diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..8710c5a
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "com.logicalhacking.dasca.crosslanguage.test.confidential"]
+	path = com.logicalhacking.dasca.crosslanguage.test.confidential
+	url = git@git.logicalhacking.com:DASCA/DASCA-confidential.git
diff --git a/README.md b/README.md
index d5a4199..2682c78 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,13 @@ The repository can be cloned as usual:
 git clone https://git.logicalhacking.com/DASCA/DASCA.git
 ```
 
+Note, if you authorized to access the confidential test cases of 
+DASCA, you can obtain them by executing
+
+``` sh
+git submodule update --init --recursive
+```
+
 ### WALA configuration
 
 DASCA (and the underlying WALA setup) is tested with Java version 8.
diff --git a/com.logicalhacking.dasca.crosslanguage.test.confidential b/com.logicalhacking.dasca.crosslanguage.test.confidential
new file mode 160000
index 0000000..6e8a37f
--- /dev/null
+++ b/com.logicalhacking.dasca.crosslanguage.test.confidential
@@ -0,0 +1 @@
+Subproject commit 6e8a37fe59c797199ee36ccac6a29f2ce34e9028
diff --git a/settings.gradle b/settings.gradle
index 047a32e..e6cc849 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -8,8 +8,8 @@ include (
          'com.logicalhacking.dasca.js',
 )
 
-if (new File('com.logicalhacking.dasca.crosslanguage.test.confidential', 'build.gradle').exists()) {
-    include 'com.logicalhacking.dasca.crosslanguage.test.confidential'
+if ( new File("${rootProject.projectDir}/com.logicalhacking.dasca.crosslanguage.test.confidential",'build.gradle').exists() ) {
+    include('com.logicalhacking.dasca.crosslanguage.test.confidential')
 }
 
 enableFeaturePreview('STABLE_PUBLISHING')