diff --git a/.github/workflows/check-clang-format.yml b/.github/workflows/check-clang-format.yml
index 34459e6f..b95b40b4 100644
--- a/.github/workflows/check-clang-format.yml
+++ b/.github/workflows/check-clang-format.yml
@@ -126,7 +126,7 @@ jobs:
         if: >
           always() &&
           steps.check.outcome == 'failure'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           path: ${{ env.WORKING_FOLDER }}/expected/.clang-format
           if-no-files-found: error
@@ -194,7 +194,7 @@ jobs:
         if: >
           always() &&
           steps.check.outcome == 'failure'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           path: ${{ env.WORKING_FOLDER }}/output
           if-no-files-found: error
@@ -252,7 +252,7 @@ jobs:
                 OUTPUT_PATH="${{ env.CONVERSION_OUTPUT_PATH }}"
 
       - name: Save conversion to a workflow artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           path: ${{ env.CONVERSION_OUTPUT_PATH }}
           if-no-files-found: error
diff --git a/.github/workflows/sync-labels-npm.yml b/.github/workflows/sync-labels-npm.yml
index 8678a798..aeb64b9e 100644
--- a/.github/workflows/sync-labels-npm.yml
+++ b/.github/workflows/sync-labels-npm.yml
@@ -83,7 +83,7 @@ jobs:
           file-url: https://raw.githubusercontent.com/arduino/tooling-project-assets/main/workflow-templates/assets/sync-labels/${{ matrix.filename }}
 
       - name: Pass configuration files to next job via workflow artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           path: ${{ matrix.filename }}
           if-no-files-found: error
diff --git a/.github/workflows/test-install-script.yml b/.github/workflows/test-install-script.yml
index cf6e3725..a6cd504a 100644
--- a/.github/workflows/test-install-script.yml
+++ b/.github/workflows/test-install-script.yml
@@ -54,7 +54,7 @@ jobs:
             "${{ env.SCRIPT_FOLDER }}/${{ env.SCRIPT_NAME }}"
 
       - name: Save configured script as workflow artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           if-no-files-found: error
           path: ${{ env.SCRIPT_FOLDER }}/${{ env.SCRIPT_NAME }}
diff --git a/workflow-templates/check-go-dependencies-task.yml b/workflow-templates/check-go-dependencies-task.yml
index 32affe01..0417e479 100644
--- a/workflow-templates/check-go-dependencies-task.yml
+++ b/workflow-templates/check-go-dependencies-task.yml
@@ -110,7 +110,7 @@ jobs:
       # Some might find it convenient to have CI generate the cache rather than setting up for it locally
       - name: Upload cache to workflow artifact
         if: failure() && steps.diff.outcome == 'failure'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           if-no-files-found: error
           include-hidden-files: true
diff --git a/workflow-templates/check-npm-dependencies-task.yml b/workflow-templates/check-npm-dependencies-task.yml
index 932a60cb..818f2316 100644
--- a/workflow-templates/check-npm-dependencies-task.yml
+++ b/workflow-templates/check-npm-dependencies-task.yml
@@ -121,7 +121,7 @@ jobs:
       # Some might find it convenient to have CI generate the cache rather than setting up for it locally
       - name: Upload cache to workflow artifact
         if: failure() && steps.diff.outcome == 'failure'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           if-no-files-found: error
           include-hidden-files: true
diff --git a/workflow-templates/publish-go-nightly-task.yml b/workflow-templates/publish-go-nightly-task.yml
index b4dfe74d..81275104 100644
--- a/workflow-templates/publish-go-nightly-task.yml
+++ b/workflow-templates/publish-go-nightly-task.yml
@@ -65,7 +65,7 @@ jobs:
             github.com/go-task/task/v3/cmd/task dist:${{ matrix.os.task }}
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}${{ matrix.os.artifact-suffix }}
@@ -201,7 +201,7 @@ jobs:
           echo "PACKAGE_FILENAME=$PACKAGE_FILENAME" >>$GITHUB_ENV
 
       - name: Replace artifact with notarized build
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}${{ matrix.build.artifact-suffix }}
diff --git a/workflow-templates/publish-go-tester-task.yml b/workflow-templates/publish-go-tester-task.yml
index efa1df23..eb47dfa1 100644
--- a/workflow-templates/publish-go-tester-task.yml
+++ b/workflow-templates/publish-go-tester-task.yml
@@ -131,7 +131,7 @@ jobs:
 
       # Transfer builds to artifacts job
       - name: Upload build artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           path: ${{ env.DIST_DIR }}/${{ matrix.os.path }}
           name: ${{ matrix.os.artifact-name }}
@@ -164,7 +164,7 @@ jobs:
           done
 
       - name: Upload checksum artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           path: ./*checksums.txt
           name: checksums
diff --git a/workflow-templates/release-go-crosscompile-task.yml b/workflow-templates/release-go-crosscompile-task.yml
index 9258ff7b..8b99f5cc 100644
--- a/workflow-templates/release-go-crosscompile-task.yml
+++ b/workflow-templates/release-go-crosscompile-task.yml
@@ -72,7 +72,7 @@ jobs:
             github.com/go-task/task/v3/cmd/task dist:${{ matrix.os.task }}
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}${{ matrix.os.artifact-suffix }}
@@ -204,7 +204,7 @@ jobs:
             "${{ env.BUILD_FOLDER }}/"
 
       - name: Replace artifact with notarized build
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}${{ matrix.build.artifact-suffix }}
diff --git a/workflow-templates/release-go-task.yml b/workflow-templates/release-go-task.yml
index 239169ec..49f00b4b 100644
--- a/workflow-templates/release-go-task.yml
+++ b/workflow-templates/release-go-task.yml
@@ -72,7 +72,7 @@ jobs:
             github.com/go-task/task/v3/cmd/task dist:${{ matrix.os.task }}
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}${{ matrix.os.artifact-suffix }}
@@ -204,7 +204,7 @@ jobs:
             -C ../../ LICENSE.txt
 
       - name: Replace artifact with notarized build
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}${{ matrix.build.artifact-suffix }}
diff --git a/workflow-templates/sync-labels-npm.yml b/workflow-templates/sync-labels-npm.yml
index 8678a798..aeb64b9e 100644
--- a/workflow-templates/sync-labels-npm.yml
+++ b/workflow-templates/sync-labels-npm.yml
@@ -83,7 +83,7 @@ jobs:
           file-url: https://raw.githubusercontent.com/arduino/tooling-project-assets/main/workflow-templates/assets/sync-labels/${{ matrix.filename }}
 
       - name: Pass configuration files to next job via workflow artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           path: ${{ matrix.filename }}
           if-no-files-found: error
diff --git a/workflow-templates/sync-labels.yml b/workflow-templates/sync-labels.yml
index b757db61..92ddefe3 100644
--- a/workflow-templates/sync-labels.yml
+++ b/workflow-templates/sync-labels.yml
@@ -73,7 +73,7 @@ jobs:
           file-url: https://raw.githubusercontent.com/arduino/tooling-project-assets/main/workflow-templates/assets/sync-labels/${{ matrix.filename }}
 
       - name: Pass configuration files to next job via workflow artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           path: ${{ matrix.filename }}
           if-no-files-found: error