diff --git a/.github/workflows/build_wheels.yml b/.github/workflows/build_wheels.yml
index a668a676..c7453e27 100644
--- a/.github/workflows/build_wheels.yml
+++ b/.github/workflows/build_wheels.yml
@@ -6,18 +6,19 @@ on:
 env:
   BUILD_TYPE: Release
   MIN_CIBUILDWHEEL_VERSION: 2.16.2
+  PYTHON_VERSION: 3.x
 
 jobs:
   build_sdist:
     name: Source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.x'
+          python-version: ${{ env.PYTHON_VERSION }}
 
       - name: Install build package
         run: python -m pip install build --user
@@ -25,9 +26,12 @@ jobs:
       - name: Build sdist
         run: python -m build --sdist --outdir dist
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
+          name: sdist
           path: dist/*.tar.gz
+          compression-level: 0 # contents are already compressed
+
 
   build_wheels:
     name: ${{ matrix.config.name }}
@@ -69,16 +73,16 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      - name: Set up Python 3.x
-        uses: actions/setup-python@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
         with:
-          python-version: '3.x'
+          python-version: ${{ env.PYTHON_VERSION }}
 
       - name: Set up QEMU for linux/arm64 builds
         if: runner.os == 'Linux' && matrix.config.use-qemu == true
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v3
         with:
           platforms: arm64
 
@@ -88,8 +92,25 @@ jobs:
       - name: Build wheels
         run: python -m cibuildwheel --output-dir dist
         env:
+          CIBW_ENVIRONMENT_MACOS: CMAKE_OSX_ARCHITECTURES=${{ matrix.config.cibw-arch == 'macosx_x86_64' && 'x86_64' || matrix.config.cibw-arch == 'macosx_arm64' && 'arm64' || '' }}
           CIBW_BUILD: "*-${{ matrix.config.cibw-arch }}"
+          MACOSX_DEPLOYMENT_TARGET: "10.14" # min supporting c++17
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
+          name: wheels-${{ matrix.config.os }}-${{ matrix.config.cibw-arch }}
           path: ./dist/*.whl
+          compression-level: 0 # contents are already compressed
+
+
+  aggregate_artifacts:
+    name: Aggregate artifacts
+    runs-on: ubuntu-latest
+    needs: [build_sdist, build_wheels]
+    steps:
+      - name: Merge Artifacts
+        uses: actions/upload-artifact/merge@v4
+        with:
+          name: python_wheels
+          compression-level: 0
+          delete-merged: true
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index adddde12..ae2699c4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,9 +35,9 @@ jobs:
             
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python 3.x
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         # 3.x uses the latest minor version of python3. This may break briefly when there is a new version
         # but dependent libraries (e.g. numpy) have not yet released a compatible update.
         # May need to enable version pinning (e.g. 3.10) temporarily at times.
diff --git a/.github/workflows/sphinx.yml b/.github/workflows/sphinx.yml
index 1b30f344..12e864f6 100644
--- a/.github/workflows/sphinx.yml
+++ b/.github/workflows/sphinx.yml
@@ -11,9 +11,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: '3.x'
       - name: Install Datasketches and Sphinx
diff --git a/pyproject.toml b/pyproject.toml
index ff2becd5..5c584ec2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,6 +36,3 @@ before-build = "yum remove -y cmake"
 
 [tool.cibuildwheel.macos]
 archs = ["x86_64", "arm64"]
-
-# Minimum version for proper C++17 support on MacOS
-environment = { MACOSX_DEPLOYMENT_TARGET = "10.14" }
diff --git a/version.cfg.in b/version.cfg.in
index 0062ac97..6b244dcd 100644
--- a/version.cfg.in
+++ b/version.cfg.in
@@ -1 +1 @@
-5.0.0
+5.0.1