diff --git a/.gitmodules b/.gitmodules
index f603b7f..72ef667 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,14 +5,17 @@ url = https://github.com/dapphub/ds-test
 	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
+	path = lib/openzeppelin-contracts
+	url = https://github.com/Openzeppelin/openzeppelin-contracts
+branch = v4.9.2
 [submodule "lib/osx"]
-path = lib/osx
-url = https://github.com/aragon/osx
+	path = lib/osx
+	url = https://github.com/aragon/osx
+branch = v1.3.0
 [submodule "lib/openzeppelin-contracts-upgradeable"]
-path = lib/openzeppelin-contracts-upgradeable
-url = https://github.com/Openzeppelin/openzeppelin-contracts-upgradeable
+	path = lib/openzeppelin-contracts-upgradeable
+	url = https://github.com/Openzeppelin/openzeppelin-contracts-upgradeable
+branch = v4.9.2
 [submodule "lib/solmate"]
 	path = lib/solmate
 	url = https://github.com/transmissions11/solmate
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
diff --git a/lib/openzeppelin-contracts-upgradeable b/lib/openzeppelin-contracts-upgradeable
new file mode 160000
index 0000000..bc95521
--- /dev/null
+++ b/lib/openzeppelin-contracts-upgradeable
@@ -0,0 +1 @@
+Subproject commit bc95521e34dcd49792065e264a7ad2b5a86f0091
diff --git a/lib/osx b/lib/osx
new file mode 160000
index 0000000..e90ea8f
--- /dev/null
+++ b/lib/osx
@@ -0,0 +1 @@
+Subproject commit e90ea8f5cd6b98cbba16db07ab7bc0cdbf517f3e