diff --git a/.gitmodules b/.gitmodules
index 888d42d..558b49a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "lib/forge-std"]
 	path = lib/forge-std
 	url = https://github.com/foundry-rs/forge-std
+[submodule "lib/solmate"]
+	path = lib/solmate
+	url = https://github.com/rari-capital/solmate
diff --git a/lib/solmate b/lib/solmate
new file mode 160000
index 0000000..fadb2e2
--- /dev/null
+++ b/lib/solmate
@@ -0,0 +1 @@
+Subproject commit fadb2e2778adbf01c80275bfb99e5c14969d964b