diff --git a/.github/workflows/node-build-zip.yml b/.github/workflows/node-build-zip.yml
index 5ee6256..09e1f96 100644
--- a/.github/workflows/node-build-zip.yml
+++ b/.github/workflows/node-build-zip.yml
@@ -94,7 +94,7 @@ jobs:
         run: pushd ${{ inputs.build-path }}; zip -q -r ../${{ inputs.artifact-name }}.zip *
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ inputs.artifact-name }}
           path: ${{ inputs.working-directory }}/${{ inputs.artifact-name }}.zip
diff --git a/.github/workflows/node-build.yml b/.github/workflows/node-build.yml
index 2df43b6..99e694c 100644
--- a/.github/workflows/node-build.yml
+++ b/.github/workflows/node-build.yml
@@ -71,7 +71,7 @@ jobs:
           NODE_AUTH_TOKEN: ${{ secrets.npm-auth-token || secrets.GITHUB_TOKEN }}
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ inputs.artifact-name }}
           path: ${{ inputs.working-directory }}/${{ inputs.build-path }}
diff --git a/.github/workflows/node-pnpm-build-zip.yml b/.github/workflows/node-pnpm-build-zip.yml
index 45346d3..b907722 100644
--- a/.github/workflows/node-pnpm-build-zip.yml
+++ b/.github/workflows/node-pnpm-build-zip.yml
@@ -104,7 +104,7 @@ jobs:
       
       # working dir doesn't apply to this, so we are explicit here
       - name: Upload artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ inputs.artifact-name }}
           path: ${{ inputs.working-directory }}/${{ inputs.artifact-name }}.zip
diff --git a/.github/workflows/python-uv-build-zip.yml b/.github/workflows/python-uv-build-zip.yml
index 4039d9d..f1552fd 100644
--- a/.github/workflows/python-uv-build-zip.yml
+++ b/.github/workflows/python-uv-build-zip.yml
@@ -94,7 +94,7 @@ jobs:
           zip -q -r ${{ runner.temp }}/${{ inputs.artifact-name }}.zip ${{ inputs.build-globs }}
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ inputs.artifact-name }}
           path: ${{ runner.temp }}/${{ inputs.artifact-name }}.zip
diff --git a/.github/workflows/python-uv-ci.yml b/.github/workflows/python-uv-ci.yml
index 4a5acc2..2de0e7b 100644
--- a/.github/workflows/python-uv-ci.yml
+++ b/.github/workflows/python-uv-ci.yml
@@ -215,7 +215,7 @@ jobs:
 
       - name: Publish coverage
         if: ${{ inputs.publish-coverage-path }}
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: coverage
           path: ${{ inputs.publish-coverage-path }}