diff --git a/setup.py b/setup.py
index 931ae1ab97c..92fd1e3f778 100644
--- a/setup.py
+++ b/setup.py
@@ -429,6 +429,7 @@ def run(self):
             # useful error information to users.
             "-DEXECUTORCH_ENABLE_LOGGING=ON",
             "-DEXECUTORCH_LOG_LEVEL=Info",
+            "-DCMAKE_OSX_DEPLOYMENT_TARGET=10.15",
         ]
 
         build_args = [f"-j{self.parallel}"]