diff --git a/.github/workflows/build-release.yml b/.github/workflows/build-release.yml
index 74fecb7..89e2af2 100644
--- a/.github/workflows/build-release.yml
+++ b/.github/workflows/build-release.yml
@@ -83,7 +83,7 @@ jobs:
       
       - name: Upload Artifact (for PRs/manual builds)
         if: "!startsWith(github.ref, 'refs/tags/')"
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: firmware
           path: .pio/build/esp32s3/firmware.bin
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8951e5e..1b99f4c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,7 +53,7 @@ jobs:
         run: pio run -e ${{ matrix.environment }}
       
       - name: Upload Firmware Artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: firmware-${{ matrix.environment }}
           path: .pio/build/${{ matrix.environment }}/firmware.bin
@@ -90,7 +90,7 @@ jobs:
             src/ 2>&1 | tee cppcheck-report.txt
       
       - name: Upload cppcheck Report
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: cppcheck-report