diff --git a/.gitmodules b/.gitmodules
index 65da54f..03f38fd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,3 +13,15 @@
 [submodule "fund-me/lib/foundry-devops"]
 	path = fund-me/lib/foundry-devops
 	url = https://github.com/Cyfrin/foundry-devops
+[submodule "foundry-smart-contract-lottery-cu/lib/foundry-devops"]
+	path = foundry-smart-contract-lottery-cu/lib/foundry-devops
+	url = https://github.com/cyfrin/foundry-devops
+[submodule "foundry-smart-contract-lottery-cu/lib/chainlink-brownie-contracts"]
+	path = foundry-smart-contract-lottery-cu/lib/chainlink-brownie-contracts
+	url = https://github.com/smartcontractkit/chainlink-brownie-contracts
+[submodule "foundry-smart-contract-lottery-cu/lib/forge-std"]
+	path = foundry-smart-contract-lottery-cu/lib/forge-std
+	url = https://github.com/foundry-rs/forge-std
+[submodule "foundry-smart-contract-lottery-cu/lib/solmate"]
+	path = foundry-smart-contract-lottery-cu/lib/solmate
+	url = https://github.com/transmissions11/solmate
diff --git a/foundry-smart-contract-lottery-cu/lib/chainlink-brownie-contracts b/foundry-smart-contract-lottery-cu/lib/chainlink-brownie-contracts
new file mode 160000
index 0000000..12393bd
--- /dev/null
+++ b/foundry-smart-contract-lottery-cu/lib/chainlink-brownie-contracts
@@ -0,0 +1 @@
+Subproject commit 12393bd475bd60c222ff12e75c0f68effe1bbaaf
diff --git a/foundry-smart-contract-lottery-cu/lib/forge-std b/foundry-smart-contract-lottery-cu/lib/forge-std
new file mode 160000
index 0000000..978ac6f
--- /dev/null
+++ b/foundry-smart-contract-lottery-cu/lib/forge-std
@@ -0,0 +1 @@
+Subproject commit 978ac6fadb62f5f0b723c996f64be52eddba6801
diff --git a/foundry-smart-contract-lottery-cu/lib/foundry-devops b/foundry-smart-contract-lottery-cu/lib/foundry-devops
new file mode 160000
index 0000000..df9f90b
--- /dev/null
+++ b/foundry-smart-contract-lottery-cu/lib/foundry-devops
@@ -0,0 +1 @@
+Subproject commit df9f90b490423578142b5dd50752db9427efb2ac
diff --git a/foundry-smart-contract-lottery-cu/lib/solmate b/foundry-smart-contract-lottery-cu/lib/solmate
new file mode 160000
index 0000000..a9e3ea2
--- /dev/null
+++ b/foundry-smart-contract-lottery-cu/lib/solmate
@@ -0,0 +1 @@
+Subproject commit a9e3ea26a2dc73bfa87f0cb189687d029028e0c5