diff --git a/.github/workflows/build_wheel.yml b/.github/workflows/build_wheel.yml
index b1f88473..92fa2f8c 100644
--- a/.github/workflows/build_wheel.yml
+++ b/.github/workflows/build_wheel.yml
@@ -22,24 +22,24 @@ jobs:
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
-        with:
-          submodules: true
+        uses: actions/checkout@v5
 
       - name: Install Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
-          python-version: 3.10
+          python-version: '3.10'
 
       - name: Build wheel
         run: |
             pip install wheel
             python setup.py bdist_wheel
-      - uses: actions/upload-artifact@v4
+    
+      - name: Upload wheel artifact
+        uses: actions/upload-artifact@v4
         with:
+          name: nrtest-swmm-wheel
           path: nrtest-swmm/dist/*.whl
-
-
+  
 
   build_wheels:
     runs-on: ${{ matrix.os }}
@@ -47,7 +47,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        pyver: [cp39, cp310, cp311, cp312]
+        pyver: [cp39, cp310, cp311, cp312, cp313]
 
     steps:
       - name: Checkout repo
@@ -60,6 +60,7 @@ jobs:
         with:
           package-dir: ./swmm-toolkit
         env:
+          MACOSX_DEPLOYMENT_TARGET: "11.0"
           CIBW_TEST_COMMAND: "pytest {package}/tests"
           CIBW_BEFORE_TEST: pip install -r {package}/test-requirements.txt
           # mac needs ninja to build
@@ -70,31 +71,31 @@ jobs:
           # configure cibuildwheel to build native archs ('auto'), and some emulated ones
           CIBW_ARCHS_LINUX: x86_64
           CIBW_ARCHS_WINDOWS: AMD64
-          CIBW_ARCHS_MACOS: x86_64
+          CIBW_ARCHS_MACOS: x86_64 arm64
           # only build current supported python: https://devguide.python.org/versions/
           # don't build pypy or musllinux to save build time. TODO: find a good way to support those archs
           CIBW_BUILD: ${{matrix.pyver}}-*
-          CIBW_SKIP: cp36-* cp37-* pp* *-musllinux*
+          CIBW_SKIP: cp38-* pp* *-musllinux*
           # Will avoid testing on emulated architectures
           # Skip trying to test arm64 builds on Intel Macs
-          CIBW_TEST_SKIP: "*-*linux_{aarch64,ppc64le,s390x} *-macosx_arm64 *-macosx_universal2:arm64"
+          CIBW_TEST_SKIP: "*-*linux_{aarch64,ppc64le,s390x} *-macosx_universal2:arm64"
           CIBW_BUILD_VERBOSITY: 1
 
       - uses: actions/upload-artifact@v4
         with:
+          name: wheels-${{ matrix.os }}-${{ matrix.pyver }}
           path: ./wheelhouse/*.whl
 
   build_cross_wheels:
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest,macos-12]
-        pyver: [cp38, cp39, cp310, cp311, cp312]
+        pyver: [cp39, cp310, cp311, cp312, cp313]
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
             submodules: true
 
@@ -114,13 +115,13 @@ jobs:
           CIBW_BEFORE_BUILD_LINUX: rm -f $(which swig) && rm -f $(which swig4.0)
           # configure cibuildwheel to build native archs ('auto'), and some emulated ones
           CIBW_ARCHS_LINUX: aarch64
-          CIBW_ARCHS_MACOS: arm64
           # only build current supported python: https://devguide.python.org/versions/
           # don't build pypy or musllinux to save build time. TODO: find a good way to support those archs
           CIBW_BUILD: ${{matrix.pyver}}-*
-          CIBW_SKIP: cp36-* cp37-* cp-*38 pp* *-musllinux*
+          CIBW_SKIP: cp-*38 pp* *-musllinux*
           CIBW_BUILD_VERBOSITY: 1
 
       - uses: actions/upload-artifact@v4
         with:
+          name:  wheels-linux-aarch64-${{ matrix.pyver }}
           path: ./wheelhouse/*.whl
diff --git a/.github/workflows/unit_test.yml b/.github/workflows/unit_test.yml
index ae4fbdd0..4a830649 100644
--- a/.github/workflows/unit_test.yml
+++ b/.github/workflows/unit_test.yml
@@ -44,6 +44,8 @@ jobs:
           python-version: "3.10"
 
       - name: Build wheel in virtual env
+        env:
+          MACOSX_DEPLOYMENT_TARGET: "11.0"
         run: |
           python -m venv --clear ./build-env
           ${{matrix.activate}}
diff --git a/swmm-toolkit/setup.py b/swmm-toolkit/setup.py
index 6d1fa3cc..7feeb1e2 100644
--- a/swmm-toolkit/setup.py
+++ b/swmm-toolkit/setup.py
@@ -88,7 +88,7 @@ def run(self):
     cmake_args = ["-GVisual Studio 17 2022","-Ax64"]
 
 elif platform_system == "Darwin":
-    cmake_args = ["-GXcode","-DCMAKE_OSX_DEPLOYMENT_TARGET:STRING=11.0"]
+    cmake_args = ["-GXcode"]
 
 else:
     cmake_args = ["-GUnix Makefiles"]
diff --git a/swmm-toolkit/test-requirements.txt b/swmm-toolkit/test-requirements.txt
index 0cc9aaba..812ef65c 100644
--- a/swmm-toolkit/test-requirements.txt
+++ b/swmm-toolkit/test-requirements.txt
@@ -1,8 +1,8 @@
 
 
 
-pytest == 7.1.1
-numpy  == 1.21.6; python_version == "3.7"
-numpy  == 1.24.4; python_version < "3.12"
-numpy  == 1.26.2; python_version >= "3.12"
+pytest == 8.4.1
+numpy  == 2.0.2; python_version < "3.10"
+numpy  == 2.2.6; python_version == "3.10.*"
+numpy  == 2.3.2; python_version >= "3.11"
 aenum  == 3.1.11