diff --git a/cozo-lib-swift/build-rust.sh b/cozo-lib-swift/build-rust.sh
index eb375275..ff110fa2 100755
--- a/cozo-lib-swift/build-rust.sh
+++ b/cozo-lib-swift/build-rust.sh
@@ -6,8 +6,8 @@ cd $THISDIR
 
 export SWIFT_BRIDGE_OUT_DIR="$(pwd)/generated"
 # Build the project for the desired platforms:
-cargo build -p cozo-swift --target x86_64-apple-darwin --release
-cargo build -p cozo-swift --target aarch64-apple-darwin --release
+cargo build -p cozo-swift -F storage-rocksdb --target x86_64-apple-darwin --release
+cargo build -p cozo-swift -F storage-rocksdb --target aarch64-apple-darwin --release
 mkdir -p ../target/universal-macos/release
 
 lipo \