diff --git a/.github/workflows/firmware-build.yml b/.github/workflows/firmware-build.yml
index 32d3298..563d931 100644
--- a/.github/workflows/firmware-build.yml
+++ b/.github/workflows/firmware-build.yml
@@ -99,7 +99,7 @@ jobs:
         echo "Firmware Version: ${VERSION}"
     
     - name: Upload Firmware Artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: pico-fan-hub-firmware-v${{ steps.version.outputs.version }}
         path: |
@@ -109,7 +109,7 @@ jobs:
         retention-days: 90
     
     - name: Upload UF2 for Release
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: pico_fan_hub.uf2
         path: firmware/build/pico_fan_hub.uf2
diff --git a/.github/workflows/python-tests.yml b/.github/workflows/python-tests.yml
index c183186..0c40928 100644
--- a/.github/workflows/python-tests.yml
+++ b/.github/workflows/python-tests.yml
@@ -153,7 +153,7 @@ jobs:
         test -f dist/*.tar.gz || exit 1
     
     - name: Upload Package Artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: python-packages
         path: software/driver/dist/*
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7b5afb5..9135997 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -80,7 +80,7 @@ jobs:
         cp pico_fan_hub.bin pico_fan_hub_${VERSION}.bin
     
     - name: Upload Firmware Artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: firmware-release
         path: |
@@ -111,7 +111,7 @@ jobs:
         python -m build
     
     - name: Upload Python Artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: python-release
         path: software/driver/dist/*