diff --git a/.gitmodules b/.gitmodules
index 6c9874d..cc50581 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "lib/openzeppelin-contracts"]
 	path = evm/lib/openzeppelin-contracts
 	url = https://github.com/OpenZeppelin/openzeppelin-contracts
+[submodule "evm/lib/balancer-v2-monorepo"]
+	path = evm/lib/balancer-v2-monorepo
+	url = https://github.com/balancer/balancer-v2-monorepo
diff --git a/evm/lib/balancer-v2-monorepo b/evm/lib/balancer-v2-monorepo
new file mode 160000
index 0000000..c7d4abb
--- /dev/null
+++ b/evm/lib/balancer-v2-monorepo
@@ -0,0 +1 @@
+Subproject commit c7d4abbea39834e7778f9ff7999aaceb4e8aa048