diff --git a/.github/workflows/multibuild.yml b/.github/workflows/multibuild.yml
index e06baa7..7182a12 100644
--- a/.github/workflows/multibuild.yml
+++ b/.github/workflows/multibuild.yml
@@ -53,7 +53,7 @@ jobs:
     env:
       REPO_DIR: OpenBLAS
       OPENBLAS_COMMIT: "v0.3.21"
-      MACOSX_DEPLOYMENT_TARGET: 10.11
+      MACOSX_DEPLOYMENT_TARGET: 10.9
       MB_PYTHON_VERSION: ${{ matrix.python-version }}
       TRAVIS_PYTHON_VERSION: ${{ matrix.python-version }}
       MB_ML_LIBC: ${{ matrix.MB_ML_LIBC }}
diff --git a/gfortran-install b/gfortran-install
index 9828bcb..47bb0df 160000
--- a/gfortran-install
+++ b/gfortran-install
@@ -1 +1 @@
-Subproject commit 9828bcbc2d75e6464f88070bf8f4b1b5e2b7c0d5
+Subproject commit 47bb0df1e6f766503f81e4fd3d5d2acadd887393