diff --git a/.gitmodules b/.gitmodules
index 6a2a13a79..44ffb6211 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -76,3 +76,6 @@
 [submodule "protocol-units/bridge/contracts/lib/BokkyPooBahsDateTimeLibrary"]
 	path = protocol-units/bridge/contracts/lib/BokkyPooBahsDateTimeLibrary
 	url = https://github.com/bokkypoobah/BokkyPooBahsDateTimeLibrary
+[submodule "protocol-units/settlement/mcr/contracts/lib/v2-periphery"]
+  path = protocol-units/settlement/mcr/contracts/lib/v2-periphery
+  url = https://github.com/Uniswap/v2-periphery
diff --git a/protocol-units/execution/maptos/framework/releases/biarritz-rc1/mrb_cache/27397b5835e6a466c06c884a395653c9ff13d1fe-biarritz-rc1.mrb b/protocol-units/execution/maptos/framework/releases/biarritz-rc1/mrb_cache/27397b5835e6a466c06c884a395653c9ff13d1fe-biarritz-rc1.mrb
new file mode 100644
index 000000000..7e8e9833e
Binary files /dev/null and b/protocol-units/execution/maptos/framework/releases/biarritz-rc1/mrb_cache/27397b5835e6a466c06c884a395653c9ff13d1fe-biarritz-rc1.mrb differ