diff --git a/.gitmodules b/.gitmodules
index 942ed3a..b61da93 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "foundry/lib/openzeppelin-contracts"]
 	path = foundry/lib/openzeppelin-contracts
 	url = https://github.com/OpenZeppelin/openzeppelin-contracts
+[submodule "foundry/lib/permit2"]
+	path = foundry/lib/permit2
+	url = https://github.com/Uniswap/permit2
diff --git a/foundry/lib/permit2 b/foundry/lib/permit2
new file mode 160000
index 0000000..cc56ad0
--- /dev/null
+++ b/foundry/lib/permit2
@@ -0,0 +1 @@
+Subproject commit cc56ad0f3439c502c246fc5cfcc3db92bb8b7219