diff --git a/pyproject.toml b/pyproject.toml
index ebf000a2..3f53986e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,5 +41,8 @@ test = [
 [tool.maturin]
 python-source = "src/python"
 
+[tool.maturin.target.x86_64-apple-darwin]
+macos-deployment-target = "10.14"
+
 [metadata]
 license = { text = "GNU Affero General Public License v3" }