diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 56ad342..7ebe52d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -50,7 +50,7 @@ jobs:
       # so a teammate can grab the matching binary and flash via M5Burner /
       # esptool.py without re-running the build themselves.
       - name: Upload firmware binary
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: firmware-${{ matrix.env }}
           path: .pio/build/${{ matrix.env }}/firmware.bin
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cf599dc..f0eadd0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -118,7 +118,7 @@ jobs:
 
       - name: Upload binaries as workflow artifact  (manual dry run only)
         if: steps.meta.outputs.mode == 'test'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: pixel-pets-firmware-${{ steps.meta.outputs.version }}
           path: release-bins/*.bin