diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2c29581d2b1..93f7ce410a2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -579,8 +579,8 @@ jobs:
           components: rust-src
       - name: Install python3 standalone debug build with nox
         run: |
-          PBS_RELEASE="20241219"
-          PBS_PYTHON_VERSION="3.13.1"
+          PBS_RELEASE="20260211"
+          PBS_PYTHON_VERSION="3.14.3"
           PBS_ARCHIVE="cpython-${PBS_PYTHON_VERSION}+${PBS_RELEASE}-x86_64-unknown-linux-gnu-debug-full.tar.zst"
           wget "https://github.com/indygreg/python-build-standalone/releases/download/${PBS_RELEASE}/${PBS_ARCHIVE}"
           tar -I zstd -xf "${PBS_ARCHIVE}"
@@ -596,10 +596,54 @@ jobs:
           PYO3_CONFIG_FILE=$(mktemp)
           cat > $PYO3_CONFIG_FILE << EOF
           implementation=CPython
-          version=3.13
+          version=3.14
           shared=true
           abi3=false
-          lib_name=python3.13d
+          lib_name=python3.14d
+          lib_dir=${{ github.workspace }}/python/install/lib
+          executable=${{ github.workspace }}/python/install/bin/python3
+          pointer_width=64
+          build_flags=Py_DEBUG,Py_REF_DEBUG
+          suppress_build_script_link_lines=false
+          EOF
+          echo PYO3_CONFIG_FILE=$PYO3_CONFIG_FILE >> $GITHUB_ENV
+      - run: python3 -m nox -s test
+
+  test-debug-min-version:
+    if: ${{ contains(github.event.pull_request.labels.*.name, 'CI-build-full') || github.event_name != 'pull_request' }}
+    needs: [fmt]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6.0.2
+      - uses: Swatinem/rust-cache@v2
+        with:
+          save-if: ${{ github.ref == 'refs/heads/main' || contains(github.event.pull_request.labels.*.name, 'CI-save-pr-cache') }}
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rust-src
+      - name: Install python3 standalone debug build with nox
+        run: |
+          PBS_RELEASE="20260211"
+          PBS_PYTHON_VERSION="3.10.19"
+          PBS_ARCHIVE="cpython-${PBS_PYTHON_VERSION}+${PBS_RELEASE}-x86_64-unknown-linux-gnu-debug-full.tar.zst"
+          wget "https://github.com/indygreg/python-build-standalone/releases/download/${PBS_RELEASE}/${PBS_ARCHIVE}"
+          tar -I zstd -xf "${PBS_ARCHIVE}"
+          ls -l $(pwd)/python/install/bin
+          ls -l $(pwd)/python/install/lib
+          echo PATH=$(pwd)/python/install/bin:$PATH >> $GITHUB_ENV
+          echo LD_LIBRARY_PATH=$(pwd)/python/install/lib:$LD_LIBRARY_PATH >> $GITHUB_ENV
+          echo PYTHONHOME=$(pwd)/python/install >> $GITHUB_ENV
+          echo PYO3_PYTHON=$(pwd)/python/install/bin/python3 >> $GITHUB_ENV
+      - run: python3 -m sysconfig
+      - run: python3 -m pip install --upgrade pip && pip install nox[uv]
+      - run: |
+          PYO3_CONFIG_FILE=$(mktemp)
+          cat > $PYO3_CONFIG_FILE << EOF
+          implementation=CPython
+          version=3.10
+          shared=true
+          abi3=false
+          lib_name=python3.10d
           lib_dir=${{ github.workspace }}/python/install/lib
           executable=${{ github.workspace }}/python/install/bin/python3
           pointer_width=64