diff --git a/.gitmodules b/.gitmodules
index cb09976a..55f0b4b8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "vendor/lexbor"]
 	path = vendor/lexbor
 	url = https://github.com/lexbor/lexbor
+[submodule "vendor/jsruntime-lib"]
+	path = vendor/jsruntime-lib
+	url = https://github.com/francisbouvier/jsruntime-lib
diff --git a/vendor/jsruntime-lib b/vendor/jsruntime-lib
new file mode 160000
index 00000000..a0832359
--- /dev/null
+++ b/vendor/jsruntime-lib
@@ -0,0 +1 @@
+Subproject commit a083235918ee1b2c26b9408f4e0e051b7a51e6a1