diff --git a/.github/workflows/czicompress_cmake.yml b/.github/workflows/czicompress_cmake.yml
index 485c9a0..ad40c91 100644
--- a/.github/workflows/czicompress_cmake.yml
+++ b/.github/workflows/czicompress_cmake.yml
@@ -120,7 +120,7 @@ jobs:
       # upload the build-results to artifacts-store
       - name: Upload artifacts
         if: matrix.build == 'Release'
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: czicompress-${{env.name}}
           path: czicompress/czicompress-${{env.name}}/
diff --git a/.github/workflows/czishrink_dotnet.yml b/.github/workflows/czishrink_dotnet.yml
index a3ec1dc..64aeef2 100644
--- a/.github/workflows/czishrink_dotnet.yml
+++ b/.github/workflows/czishrink_dotnet.yml
@@ -109,7 +109,7 @@ jobs:
           verbose: true
 
       - name: Upload dotnet test results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: dotnet-results-${{ matrix.config.os }}
           path: TestResults
@@ -129,7 +129,7 @@ jobs:
           -o ${{ github.workspace }}/publish
 
       - name: Upload published binaries
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: ${{ (github.event_name == 'push') && (matrix.build == 'Release') }}
         with:
           name: CziShrink_${{ steps.getversion.outputs.version }}_${{ matrix.config.osfamily}}-x64
@@ -154,7 +154,7 @@ jobs:
           -o ${{ github.workspace }}/installer
 
       - name: Upload Wix installer
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: ${{ (github.event_name == 'push') && (matrix.build == 'Release') && (matrix.config.os == 'windows-latest') }}
         with:
           name: CziShrink_Installer${{ steps.getversion.outputs.version }}_${{ matrix.config.osfamily}}-x64
diff --git a/.github/workflows/mega-linter.yml b/.github/workflows/mega-linter.yml
index 15ceaed..5a1f366 100644
--- a/.github/workflows/mega-linter.yml
+++ b/.github/workflows/mega-linter.yml
@@ -39,7 +39,7 @@ jobs:
       # Upload MegaLinter artifacts
       - name: Archive production artifacts
         if: ${{ success() || failure() }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: MegaLinter reports
           path: |