diff --git a/.gitmodules b/.gitmodules
index ca8a164..9587042 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -3,7 +3,7 @@
 	url = https://github.com/foundry-rs/forge-std
 [submodule "lib/openzeppelin-contracts"]
 	path = lib/openzeppelin-contracts
-	url = https://github.com/openzeppelin/openzeppelin-contracts
+	url = https://github.com/OpenZeppelin/openzeppelin-contracts
 [submodule "lib/foundry-devops"]
 	path = lib/foundry-devops
 	url = https://github.com/Cyfrin/foundry-devops
diff --git a/lib/forge-std b/lib/forge-std
new file mode 160000
index 0000000..726a6ee
--- /dev/null
+++ b/lib/forge-std
@@ -0,0 +1 @@
+Subproject commit 726a6ee5fc8427a0013d6f624e486c9130c0e336
diff --git a/lib/foundry-devops b/lib/foundry-devops
new file mode 160000
index 0000000..90b6dde
--- /dev/null
+++ b/lib/foundry-devops
@@ -0,0 +1 @@
+Subproject commit 90b6dde61322b916020d396817023602f4ef96ed
diff --git a/lib/openzeppelin-contracts b/lib/openzeppelin-contracts
new file mode 160000
index 0000000..ea736bd
--- /dev/null
+++ b/lib/openzeppelin-contracts
@@ -0,0 +1 @@
+Subproject commit ea736bd45bd844d7968a64c5707d97710fe1c077