diff --git a/.gitmodules b/.gitmodules
index 41ced489e..5be660103 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -36,3 +36,6 @@
 [submodule "app/files/scripts/misp-opendata"]
 	path = app/files/scripts/misp-opendata
 	url = https://github.com/MISP/misp-opendata
+[submodule "app/files/scripts/misp-stix"]
+	path = app/files/scripts/misp-stix
+	url = git@github.com:misp/misp-stix.git
diff --git a/app/files/scripts/misp-stix b/app/files/scripts/misp-stix
new file mode 160000
index 000000000..f88900d54
--- /dev/null
+++ b/app/files/scripts/misp-stix
@@ -0,0 +1 @@
+Subproject commit f88900d54b2939404266f423fee00ee5cb1ab9b4