diff --git a/.github/workflows/release_pypi.yaml b/.github/workflows/release_pypi.yaml
index 0a678aa..993a4bc 100644
--- a/.github/workflows/release_pypi.yaml
+++ b/.github/workflows/release_pypi.yaml
@@ -4,6 +4,8 @@ on:
   release:
     types:
       - created
+  pull_request:
+    branches: [main]
 
 jobs:
   build_wheels:
@@ -66,6 +68,7 @@ jobs:
           CIBW_BEFORE_ALL_WINDOWS: rustup target add i686-pc-windows-msvc
           CIBW_BEFORE_BUILD: pip install setuptools-rust
           CIBW_ENVIRONMENT: PATH="$HOME/.cargo/bin:$PATH"
+          CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=10.12
           CIBW_TEST_COMMAND: python -c "import outlines_core; print(outlines_core.__version__)"
           CMAKE_PREFIX_PATH: ./dist