diff --git a/.gitmodules b/.gitmodules
index 34b2cb4..24bcd0f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "pebbles"]
 	path = pebbles
 	url = https://github.com/blarney-lang/pebbles
+[submodule "llvm-project"]
+	path = llvm-project
+	url = git@github.com:CTSRD-CHERI/llvm-project.git
diff --git a/llvm-project b/llvm-project
new file mode 160000
index 0000000..19d402e
--- /dev/null
+++ b/llvm-project
@@ -0,0 +1 @@
+Subproject commit 19d402e23fcaa197e1d40547da403dc17e13c7ae