diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bbe7131a3..ebb0f3929 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -61,7 +61,7 @@ jobs:
         
       - name: Upload plantuml.jar
         if: always()
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: plantuml-jdk8-jar
           path: plantuml.jar
@@ -168,7 +168,7 @@ jobs:
         run: gradle test --no-daemon -i
 
       - name: Upload test reports
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: needs.workflow_config.outputs.do_test_linux == 'true'
         with:
           # Using github.run_number here to reduce confusion when downloading & comparing from several builds
@@ -297,7 +297,7 @@ jobs:
           enableCrossOsArchive: true
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           # Using github.run_number here to reduce confusion when downloading & comparing artifacts from several builds
           name: ${{ github.run_number }}-artifacts
diff --git a/.github/workflows/dev-intermediate-test.yml b/.github/workflows/dev-intermediate-test.yml
index a09c6b2a0..a8f4e4a34 100644
--- a/.github/workflows/dev-intermediate-test.yml
+++ b/.github/workflows/dev-intermediate-test.yml
@@ -27,14 +27,14 @@ jobs:
       run: gradle test --tests IntermediateTest_0000
 
     - name: Upload test reports
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         # Using github.run_number here to reduce confusion when downloading & comparing from several builds
         name: ${{ github.run_number }}-test-reports
         path: build/reports/tests/
 
     - name: Upload outputdev
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: ${{ github.run_number }}-outputdev
         path: outputdev
diff --git a/.github/workflows/dev-unit-test.yml b/.github/workflows/dev-unit-test.yml
index c897d1615..4e1ad1a23 100644
--- a/.github/workflows/dev-unit-test.yml
+++ b/.github/workflows/dev-unit-test.yml
@@ -27,7 +27,7 @@ jobs:
       run: gradle test -i
 
     - name: Upload test reports
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         # Using github.run_number here to reduce confusion when downloading & comparing from several builds
         name: ${{ github.run_number }}-test-reports
diff --git a/.github/workflows/native-image-snapshot.yml b/.github/workflows/native-image-snapshot.yml
index 931e3a7f1..1cc384d7a 100644
--- a/.github/workflows/native-image-snapshot.yml
+++ b/.github/workflows/native-image-snapshot.yml
@@ -47,7 +47,7 @@ jobs:
           zip -r plantuml-headless-linux-amd64-SNAPSHOT.zip plantuml-gplv2/build/native/nativeHeadlessCompile/
 
       - name: Upload build artifacts (Linux)
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: linux-amd64
           path: |
@@ -87,7 +87,7 @@ jobs:
           Compress-Archive -Path "plantuml-gplv2/build/native/nativeHeadlessCompile/*" -DestinationPath "plantuml-headless-windows-amd64-SNAPSHOT.zip"
 
       - name: Upload build artifacts (Windows)
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: windows-amd64
           path: |
@@ -122,7 +122,7 @@ jobs:
           zip -r plantuml-headless-darwin-arm64-SNAPSHOT.zip plantuml-gplv2/build/native/nativeHeadlessCompile/
 
       - name: Upload build artifacts (macOS)
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: darwin-arm64
           path: |