diff --git a/.gitmodules b/.gitmodules
index 3ae55c3..5d0fb8f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,3 +13,6 @@
 [submodule "onchain/lib/v3-periphery"]
 	path = onchain/lib/v3-periphery
 	url = https://github.com/Uniswap/v3-periphery
+[submodule "onchain/lib/uni-v3-lib"]
+	path = onchain/lib/uni-v3-lib
+	url = https://github.com/Aperture-Finance/uni-v3-lib
diff --git a/onchain/lib/uni-v3-lib b/onchain/lib/uni-v3-lib
new file mode 160000
index 0000000..1e2e1b3
--- /dev/null
+++ b/onchain/lib/uni-v3-lib
@@ -0,0 +1 @@
+Subproject commit 1e2e1b35c1720518dec222e3f531fb82375c0881