diff --git a/.github/workflows/build-esp32.yml b/.github/workflows/build-esp32.yml
index caa4aaa2d..8fb20ff10 100644
--- a/.github/workflows/build-esp32.yml
+++ b/.github/workflows/build-esp32.yml
@@ -92,26 +92,18 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v5
-
-      # - name: Cache PlatformIO
-      #   uses: actions/cache@v4
-      #   with:
-      #     key: ${{ runner.os }}-pio
-      #     path: |
-      #       ~/.cache/pip
-      #       ~/.platformio
-
       - name: Python
         uses: actions/setup-python@v6
         with:
-          python-version: "3.x"
-
-      - name: Install PIO
+          python-version: "3.13"
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          version: "latest"
+          enable-cache: false
+      - name: Install platformio
         run: |
-          python -m pip install --upgrade pip
-          pip install --upgrade platformio
-          pip install --upgrade intelhex
-          pip install --upgrade rich_click
+          uv pip install --system -U https://github.com/pioarduino/platformio-core/archive/refs/tags/v6.1.18.zip
 
       - name: Build Examples
         run: |
@@ -140,26 +132,18 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v5
-
-      # - name: Cache PlatformIO
-      #   uses: actions/cache@v4
-      #   with:
-      #     key: ${{ runner.os }}-pio
-      #     path: |
-      #       ~/.cache/pip
-      #       ~/.platformio
-
       - name: Python
         uses: actions/setup-python@v6
         with:
-          python-version: "3.x"
-
-      - name: Install PIO
+          python-version: "3.13"
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          version: "latest"
+          enable-cache: false
+      - name: Install platformio
         run: |
-          python -m pip install --upgrade pip
-          pip install --upgrade platformio
-          pip install --upgrade intelhex
-          pip install --upgrade rich_click
+          uv pip install --system -U https://github.com/pioarduino/platformio-core/archive/refs/tags/v6.1.18.zip
 
       - name: Build Examples
         run: |
@@ -187,26 +171,18 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v5
-
-      # - name: Cache PlatformIO
-      #   uses: actions/cache@v4
-      #   with:
-      #     key: ${{ runner.os }}-pio
-      #     path: |
-      #       ~/.cache/pip
-      #       ~/.platformio
-
       - name: Python
         uses: actions/setup-python@v6
         with:
-          python-version: "3.x"
-
-      - name: Install PIO
+          python-version: "3.13"
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          version: "latest"
+          enable-cache: false
+      - name: Install platformio
         run: |
-          python -m pip install --upgrade pip
-          pip install --upgrade platformio
-          pip install --upgrade intelhex
-          pip install --upgrade rich_click
+          uv pip install --system -U https://github.com/pioarduino/platformio-core/archive/refs/tags/v6.1.18.zip
 
       - name: Build Examples
         run: |
diff --git a/.github/workflows/build-esp8266.yml b/.github/workflows/build-esp8266.yml
index e51327a39..0899b8e5b 100644
--- a/.github/workflows/build-esp8266.yml
+++ b/.github/workflows/build-esp8266.yml
@@ -59,24 +59,18 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v5
-
-      # - name: Cache PlatformIO
-      #   uses: actions/cache@v4
-      #   with:
-      #     key: ${{ runner.os }}-pio
-      #     path: |
-      #       ~/.cache/pip
-      #       ~/.platformio
-
       - name: Python
         uses: actions/setup-python@v6
         with:
-          python-version: "3.x"
-
-      - name: Install PIO
+          python-version: "3.13"
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          version: "latest"
+          enable-cache: false
+      - name: Install platformio
         run: |
-          python -m pip install --upgrade pip
-          pip install --upgrade platformio
+          uv pip install --system -U https://github.com/pioarduino/platformio-core/archive/refs/tags/v6.1.18.zip
 
       - name: Build Examples
         run: |
diff --git a/.github/workflows/build-libretiny.yml b/.github/workflows/build-libretiny.yml
index d231625f7..fcc408a7d 100644
--- a/.github/workflows/build-libretiny.yml
+++ b/.github/workflows/build-libretiny.yml
@@ -28,24 +28,18 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v5
-
-      # - name: Cache PlatformIO
-      #   uses: actions/cache@v4
-      #   with:
-      #     key: ${{ runner.os }}-pio
-      #     path: |
-      #       ~/.cache/pip
-      #       ~/.platformio
-
       - name: Python
         uses: actions/setup-python@v6
         with:
-          python-version: "3.x"
-
-      - name: Install PIO
+          python-version: "3.13"
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          version: "latest"
+          enable-cache: false
+      - name: Install platformio
         run: |
-          python -m pip install --upgrade pip
-          pip install --upgrade platformio
+          uv pip install --system -U https://github.com/pioarduino/platformio-core/archive/refs/tags/v6.1.18.zip
 
       - name: Build Examples
         run: |
diff --git a/.github/workflows/build-rpi.yml b/.github/workflows/build-rpi.yml
index b96b79e18..eca7fc517 100644
--- a/.github/workflows/build-rpi.yml
+++ b/.github/workflows/build-rpi.yml
@@ -66,24 +66,18 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v5
-
-      # - name: Cache PlatformIO
-      #   uses: actions/cache@v4
-      #   with:
-      #     key: ${{ runner.os }}-pio
-      #     path: |
-      #       ~/.cache/pip
-      #       ~/.platformio
-
       - name: Python
         uses: actions/setup-python@v6
         with:
-          python-version: "3.x"
-
-      - name: Install PIO
+          python-version: "3.13"
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          version: "latest"
+          enable-cache: false
+      - name: Install platformio
         run: |
-          python -m pip install --upgrade pip
-          pip install --upgrade platformio
+          uv pip install --system -U https://github.com/pioarduino/platformio-core/archive/refs/tags/v6.1.18.zip
 
       - name: Build Examples
         run: |