diff --git a/.gitmodules b/.gitmodules
index e8082d44..38608f22 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "test/test-cases/secrules-language-tests"]
 	path = test/test-cases/secrules-language-tests
 	url = https://github.com/SpiderLabs/secrules-language-tests
+[submodule "others/libinjection"]
+	path = others/libinjection
+	url = https://github.com/client9/libinjection.git
diff --git a/others/libinjection b/others/libinjection
new file mode 160000
index 00000000..54e9a6ec
--- /dev/null
+++ b/others/libinjection
@@ -0,0 +1 @@
+Subproject commit 54e9a6ec017c687c8fad1f347a263a7b259f8525