diff --git a/.github/workflows/CI_PublishTestPyPI.yml b/.github/workflows/CI_PublishTestPyPI.yml
new file mode 100644
index 00000000..106d7168
--- /dev/null
+++ b/.github/workflows/CI_PublishTestPyPI.yml
@@ -0,0 +1,84 @@
+name: CI Python Build & Publish to TestPyPI (Trusted)
+
+on:
+  push:
+    tags: ["v*"]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+jobs:
+  build-wheels:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          # Linux builds
+          - os: ubuntu-latest
+            cibw_archs: "auto"
+            deployment_target: ""
+            openblas_path: ""
+            py_tag: "cp310"
+          # macOS Intel builds
+          - os: macos-13  # Intel Mac
+            cibw_archs: "x86_64"
+            deployment_target: "13.0"
+            openblas_path: "/usr/local/opt/openblas"
+            py_tag: "cp310"
+          # macOS Apple Silicon builds
+          - os: macos-latest  # Apple Silicon Mac
+            cibw_archs: "arm64"
+            deployment_target: "15.0"
+            openblas_path: "/opt/homebrew/opt/openblas"
+            py_tag: "cp310"
+    steps:
+      - uses: actions/checkout@v4
+      - name: remove python/.gitignore
+        shell: bash
+        run: |
+          rm -f python/.gitignore
+      - uses: pypa/cibuildwheel@v3.1.4
+        env:
+          CIBW_DEPENDENCY_VERSIONS: "latest"
+          CIBW_BUILD_VERBOSITY: 1
+          CIBW_MANYLINUX_X86_64_IMAGE: "manylinux_2_28"
+          CIBW_BUILD: "${{ matrix.py_tag }}-*"
+          CIBW_ENVIRONMENT_MACOS: "MACOSX_DEPLOYMENT_TARGET=${{ matrix.deployment_target || '11.0' }} SPARSEIR_USE_BLAS=1"
+          CIBW_ARCHS: ${{ matrix.cibw_archs }}
+          CIBW_SKIP: "*-manylinux_i686 *-musllinux_i686"
+          # Install OpenBLAS using micromamba (conda-forge) - separate for manylinux and musllinux
+          CIBW_BEFORE_ALL_MANYLINUX: "curl -Ls https://micro.mamba.pm/api/micromamba/linux-64/latest | tar -xvj bin/micromamba && ./bin/micromamba create -y -p /opt/openblas && ./bin/micromamba install -y -c conda-forge openblas -p /opt/openblas --no-deps"
+          CIBW_BEFORE_ALL_MUSLLINUX: "apk add --no-cache bzip2 && curl -Ls https://micro.mamba.pm/api/micromamba/linux-64/latest | tar -xvj bin/micromamba && ./bin/micromamba create -y -p /opt/openblas && ./bin/micromamba install -y -c conda-forge openblas -p /opt/openblas --no-deps"
+          CIBW_BEFORE_ALL_MACOS: "brew install openblas"
+          # Set environment variables to help CMake find OpenBLAS
+          CIBW_ENVIRONMENT_MANYLINUX: "SPARSEIR_USE_BLAS=1"
+          CIBW_ENVIRONMENT_MUSLLINUX: "SPARSEIR_USE_BLAS=1"
+        with:
+          package-dir: ./python
+          output-dir: dist
+      - uses: actions/upload-artifact@v4
+        with:
+          name: wheels-${{ matrix.os }}-${{ matrix.cibw_archs }}-${{ matrix.py_tag }}
+          path: dist/*
+
+  publish-testpypi:
+    needs: build-wheels
+    runs-on: ubuntu-latest
+    environment:
+      name: testpypi
+    permissions:
+      id-token: write     # ← Trusted Publishing に必須
+      contents: read
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          path: dist
+          merge-multiple: true
+      - name: Publish to TestPyPI (Trusted)
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          packages-dir: dist
+          repository-url: https://test.pypi.org/legacy/
+          verbose: true
+          skip-existing: true
+          attestations: false  # Disable attestations due to Sigstore service issues
\ No newline at end of file
diff --git a/.github/workflows/PublishPyPI.yml b/.github/workflows/PublishPyPI.yml
index ce6ac2b7..bec17abd 100644
--- a/.github/workflows/PublishPyPI.yml
+++ b/.github/workflows/PublishPyPI.yml
@@ -3,8 +3,6 @@ name: Python Build & Publish (Trusted)
 on:
   push:
     tags: ["v*"]     # 例: v0.1.0 を push で発火
-  #pull_request: # for debugging
-  #  branches: [main] # for debugging
   workflow_dispatch:
 
 jobs:
@@ -106,11 +104,11 @@ jobs:
           name: wheels-${{ matrix.os }}-${{ matrix.cibw_archs }}-${{ matrix.py_tag }}
           path: dist/*
 
-  publish-testpypi:
+  publish-pypi:
     needs: build-wheels
     runs-on: ubuntu-latest
     environment:
-      name: testpypi
+      name: pypi
     permissions:
       id-token: write     # ← Trusted Publishing に必須
       contents: read
@@ -119,11 +117,11 @@ jobs:
         with:
           path: dist
           merge-multiple: true
-      - name: Publish to TestPyPI (Trusted)
+      - name: Publish to PyPI (Trusted)
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           packages-dir: dist
-          repository-url: https://test.pypi.org/legacy/
+          repository-url: https://pypi.org/legacy/
           verbose: true
           skip-existing: true
           attestations: false  # Disable attestations due to Sigstore service issues
\ No newline at end of file
diff --git a/python/pyproject.toml b/python/pyproject.toml
index e405df2a..f024c94b 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "pylibsparseir"
-version = "0.1.2"
+version = "0.1.0"
 description = "Python bindings for the libsparseir library, providing efficient sparse intermediate representation for many-body physics calculations"
 readme = "README.md"
 requires-python = ">=3.10"