diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d293a4a..abb29d4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,13 +16,13 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           submodules: recursive
-      - name: Set up Python 3.10
-        uses: actions/setup-python@v5
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v7
         with:
-          python-version: "3.10"
+          python-version: "3.11"
       - name: Install tox
         run: pip install tox
       - name: Lint
@@ -36,13 +36,13 @@ jobs:
           - twine_check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           submodules: recursive
-      - name: Set up Python 3.10
-        uses: actions/setup-python@v5
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v7
         with:
-          python-version: "3.10"
+          python-version: "3.11"
       - name: Install tox and upgrade setuptools and pip
         run: pip install --upgrade tox setuptools pip
       - name: Run tox -e ${{ matrix.tox_env }}
@@ -53,7 +53,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"
@@ -61,24 +60,24 @@ jobs:
           - "3.14t"
           - "3.15"
           - "3.15t"
-          - "pypy-3.10"
+          - "pypy-3.11"
           - "pypy-3.11"
         os: ["ubuntu-latest"]
         include:
           - os: "macos-latest"  # For m1 macos
             python-version: "3.12"
           - os: "macos-15-intel"  # for x86 macos
-            python-version: "3.10"
+            python-version: "3.11"
           - os: "windows-latest"
-            python-version: "3.10"
+            python-version: "3.11"
           - os: "windows-11-arm"
             python-version: "3.11"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           submodules: recursive
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v7
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
@@ -95,7 +94,7 @@ jobs:
       - name: Run tests
         run: tox
       - name: Upload coverage report
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v7
 
   test-arch:
     if: startsWith(github.ref, 'refs/tags') || github.ref == 'refs/heads/develop' || github.ref == 'refs/heads/main'
@@ -103,9 +102,9 @@ jobs:
     strategy:
       matrix:
         python_version:
-          - "3.10"
+          - "3.11"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           submodules: recursive
       - uses: uraimo/run-on-arch-action@v3
@@ -138,16 +137,13 @@ jobs:
           - "macos-15-intel"
           - "macos-latest"
           - "windows-latest"
-        python_version: [ "python" ]
-        include:
-          - os: "ubuntu-latest"
-            python_version: "pypy"
+        python_version: [ "python==3.11" ]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           submodules: recursive
       - name: Install miniconda.
-        uses: conda-incubator/setup-miniconda@v3 # https://github.com/conda-incubator/setup-miniconda.
+        uses: conda-incubator/setup-miniconda@v4 # https://github.com/conda-incubator/setup-miniconda.
         with:
           channels: conda-forge,defaults
       - name: Install requirements (universal)
@@ -183,15 +179,11 @@ jobs:
           - os: "ubuntu-latest"
             cibw_archs_linux: "aarch64"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           submodules: recursive
           fetch-depth: 0  # Fetch everything to get accurately versioned tag.
-      - if: ${{ matrix.os == 'windows-11-arm' }}
-        uses: actions/setup-python@v5
-        name: Install Python
-      - if: ${{ matrix.os != 'windows-11-arm' }}
-        uses: actions/setup-python@v2 # Some issues where caused by higher versions.
+      - uses: actions/setup-python@v7
         name: Install Python
       - name: Install cibuildwheel twine build
         run: python -m pip install cibuildwheel twine build
@@ -205,7 +197,7 @@ jobs:
           arch: ${{ matrix.os == 'windows-11-arm' && 'arm64' || 'x64' }}
       - name: Set up QEMU
         if: ${{runner.os == 'Linux' && matrix.cibw_archs_linux == 'aarch64'}}
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
         with:
           platforms: arm64
       - name: Build wheels
@@ -245,7 +237,7 @@ jobs:
         if: ${{runner.os == 'Linux' && matrix.cibw_archs_linux == 'x86_64'}}
         run:
             python -m build --sdist
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         with:
           name: "dist-${{ runner.os }}-${{ runner.arch }}-${{ matrix.cibw_archs_linux }}"
           path: "dist/"