diff --git a/.gitignore b/.gitignore
index 3cc8981..0addd26 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,3 @@ docs/
 
 #broadcast
 broadcast
-
-#chainlink
-lib/oppenzeppelin-contracts/
\ No newline at end of file
diff --git a/.gitmodules b/.gitmodules
index 9798ad0..ae197eb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "lib/foundry-devops"]
 	path = lib/foundry-devops
 	url = https://github.com/Cyfrin/foundry-devops
+[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..7c8b7a2
--- /dev/null
+++ b/lib/openzeppelin-contracts
@@ -0,0 +1 @@
+Subproject commit 7c8b7a27284f503ce8ae23d63ac9403096dcf6fe