diff --git a/python/.cargo/config b/python/.cargo/config
new file mode 100644
index 0000000..15d5d32
--- /dev/null
+++ b/python/.cargo/config
@@ -0,0 +1,5 @@
+[target.x86_64-apple-darwin]
+rustflags = [
+  "-C", "link-arg=-undefined",
+  "-C", "link-arg=dynamic_lookup",
+]
diff --git a/python/Cargo.toml b/python/Cargo.toml
index 0a8414d..337b5b2 100644
--- a/python/Cargo.toml
+++ b/python/Cargo.toml
@@ -14,9 +14,3 @@ hyperbuild = "0.0.20"
 [dependencies.pyo3]
 version = "0.9.0-alpha.1"
 features = ["extension-module"]
-
-[target.x86_64-apple-darwin]
-rustflags = [
-  "-C", "link-arg=-undefined",
-  "-C", "link-arg=dynamic_lookup",
-]