diff --git a/.github/workflows/release_linux.yml b/.github/workflows/release_linux.yml
index dd510132..aff68d41 100644
--- a/.github/workflows/release_linux.yml
+++ b/.github/workflows/release_linux.yml
@@ -42,7 +42,7 @@ jobs:
           -n nanovna-saver \
           nanovna-saver.py
     - name: Archive production artifacts
-      uses: actions/upload-artifact@v1
+      uses: actions/upload-artifact@v4
       with:
         name: NanoVNASaver.linux_modern
         path: dist/nanovna-saver
diff --git a/.github/workflows/release_win.yml b/.github/workflows/release_win.yml
index 48b6fe1a..536d4d28 100644
--- a/.github/workflows/release_win.yml
+++ b/.github/workflows/release_win.yml
@@ -38,7 +38,7 @@ jobs:
         python3 setup.py -V
         pyinstaller --onefile --noconsole -i icon_48x48.ico -p src -n nanovna-saver.exe nanovna-saver.py
     - name: Archive production artifacts
-      uses: actions/upload-artifact@v1
+      uses: actions/upload-artifact@v4
       with:
         name: NanoVNASaver.${{ matrix.arch }}
         path: dist/nanovna-saver.exe