diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index c7c020a3..c82438d2 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -8,12 +8,12 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-20.04, windows-latest, macos-latest]
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.6", "3.7", "3.11", "3.12"]
 
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: "recursive"
 
@@ -37,7 +37,7 @@ jobs:
           tox -e lint
 
       - name: Integration Tests
-        if: ${{ matrix.python-version == '3.9' }}
+        if: ${{ matrix.python-version == '3.11' }}
         run: |
           tox -e testcore
 
diff --git a/.github/workflows/deployment.yml b/.github/workflows/deployment.yml
index 370333a5..0941b759 100644
--- a/.github/workflows/deployment.yml
+++ b/.github/workflows/deployment.yml
@@ -12,14 +12,14 @@ jobs:
     environment: production
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: "recursive"
 
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.9"
+          python-version: "3.11"
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 9a64d882..4404ad54 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -7,13 +7,13 @@ jobs:
     name: Build Docs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: "recursive"
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: "3.11"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -78,7 +78,7 @@ jobs:
           fi
       - name: Checkout latest Docs
         continue-on-error: true
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: ${{ env.DOCS_REPO }}
           path: ${{ env.DOCS_DIR }}
diff --git a/.github/workflows/examples.yml b/.github/workflows/examples.yml
index 6bb258e0..2e734563 100644
--- a/.github/workflows/examples.yml
+++ b/.github/workflows/examples.yml
@@ -15,14 +15,14 @@ jobs:
       PIO_INSTALL_DEVPLATFORM_NAMES: "aceinna_imu,atmelavr,atmelmegaavr,atmelsam,espressif32,espressif8266,nordicnrf52,raspberrypi,ststm32,teensy"
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: "recursive"
 
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.9"
+          python-version: "3.11"
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/projects.yml b/.github/workflows/projects.yml
index 1d37c5a3..676efaec 100644
--- a/.github/workflows/projects.yml
+++ b/.github/workflows/projects.yml
@@ -40,20 +40,20 @@ jobs:
 
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: "recursive"
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.11
 
       - name: Install PlatformIO
         run: pip install -U .
 
       - name: Check out ${{ matrix.project.repository }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: "recursive"
           repository: ${{ matrix.project.repository }}