diff --git a/.gitmodules b/.gitmodules
index d25be1f9df..65b24b7cfb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,3 +16,6 @@
 [submodule "modules/mavlink"]
 	path = modules/mavlink
 	url = git://github.com/diydrones/mavlink
+[submodule "gtest"]
+	path = modules/gtest
+	url = git://github.com/diydrones/googletest
diff --git a/modules/gtest b/modules/gtest
new file mode 160000
index 0000000000..c99458533a
--- /dev/null
+++ b/modules/gtest
@@ -0,0 +1 @@
+Subproject commit c99458533a9b4c743ed51537e25989ea55944908