diff --git a/.github/workflows/check-go-dependencies-task.yml b/.github/workflows/check-go-dependencies-task.yml
index 72e48e50..645c8eb3 100644
--- a/.github/workflows/check-go-dependencies-task.yml
+++ b/.github/workflows/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@v5
+        uses: actions/upload-artifact@v6
         with:
           if-no-files-found: error
           include-hidden-files: true
diff --git a/.github/workflows/publish-go-nightly-task.yml b/.github/workflows/publish-go-nightly-task.yml
index e47017ea..9d1feacf 100644
--- a/.github/workflows/publish-go-nightly-task.yml
+++ b/.github/workflows/publish-go-nightly-task.yml
@@ -76,7 +76,7 @@ jobs:
             github.com/go-task/task/v3/cmd/task dist:${{ matrix.os.task }}
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}${{ matrix.os.artifact-suffix }}
@@ -207,7 +207,7 @@ jobs:
           echo "PACKAGE_FILENAME=$PACKAGE_FILENAME" >>$GITHUB_ENV
 
       - name: Replace artifact with notarized build
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}${{ matrix.build.artifact-suffix }}
@@ -241,7 +241,7 @@ jobs:
           sha256sum ${{ env.PROJECT_NAME }}_${{ env.TAG }}* >"${{ env.CHECKSUM_FILE_PATH }}"
 
       - name: Upload checksum artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}checksums
diff --git a/.github/workflows/publish-go-tester-task.yml b/.github/workflows/publish-go-tester-task.yml
index 96640599..c6b65f21 100644
--- a/.github/workflows/publish-go-tester-task.yml
+++ b/.github/workflows/publish-go-tester-task.yml
@@ -144,7 +144,7 @@ jobs:
 
       # Transfer builds to artifacts job
       - name: Upload build artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           path: ${{ env.DIST_DIR }}/${{ matrix.os.path }}
           name: ${{ matrix.os.artifact-name }}
@@ -177,7 +177,7 @@ jobs:
           done
 
       - name: Upload checksum artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           path: ./*checksums.txt
           name: checksums
diff --git a/.github/workflows/release-go-task.yml b/.github/workflows/release-go-task.yml
index b7022f03..612e6beb 100644
--- a/.github/workflows/release-go-task.yml
+++ b/.github/workflows/release-go-task.yml
@@ -73,7 +73,7 @@ jobs:
             github.com/go-task/task/v3/cmd/task dist:${{ matrix.os.task }}
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}${{ matrix.os.artifact-suffix }}
@@ -201,7 +201,7 @@ jobs:
             -C ../../ LICENSE.txt
 
       - name: Replace artifact with notarized build
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           if-no-files-found: error
           name: ${{ env.ARTIFACT_PREFIX }}${{ matrix.build.artifact-suffix }}
diff --git a/.github/workflows/sync-labels-npm.yml b/.github/workflows/sync-labels-npm.yml
index d3456c61..2c49651b 100644
--- a/.github/workflows/sync-labels-npm.yml
+++ b/.github/workflows/sync-labels-npm.yml
@@ -84,7 +84,7 @@ 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@v5
+        uses: actions/upload-artifact@v6
         with:
           path: ${{ matrix.filename }}
           if-no-files-found: error