diff --git a/.gitmodules b/.gitmodules
index 888d42d..178960b 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/openzeppelin-contracts-upgradeable"]
+	path = lib/openzeppelin-contracts-upgradeable
+	url = https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable
diff --git a/lib/openzeppelin-contracts-upgradeable b/lib/openzeppelin-contracts-upgradeable
new file mode 160000
index 0000000..625fb3c
--- /dev/null
+++ b/lib/openzeppelin-contracts-upgradeable
@@ -0,0 +1 @@
+Subproject commit 625fb3c2b2696f1747ba2e72d1e1113066e6c177