diff --git a/.gitmodules b/.gitmodules
index 888d42d..e011fc0 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"]
+	path = lib/openzeppelin-contracts
+	url = https://github.com/openZeppelin/openzeppelin-contracts
diff --git a/lib/openzeppelin-contracts b/lib/openzeppelin-contracts
new file mode 160000
index 0000000..e50c24f
--- /dev/null
+++ b/lib/openzeppelin-contracts
@@ -0,0 +1 @@
+Subproject commit e50c24f5839db17f46991478384bfda14acfb830