diff --git a/.github/workflows/docker-build-test-upload.yml b/.github/workflows/docker-build-test-upload.yml
index 1c288e82..a96059cd 100644
--- a/.github/workflows/docker-build-test-upload.yml
+++ b/.github/workflows/docker-build-test-upload.yml
@@ -1,5 +1,8 @@
 name: Download parent image, build new one, test it and upload to GitHub artifacts
 
+env:
+  OWNER: ${{ github.repository_owner }}
+
 on:
   workflow_call:
     inputs:
@@ -45,7 +48,7 @@ jobs:
           platform: ${{ inputs.platform }}
 
       - name: Build image 🛠
-        run: docker build --rm --force-rm --tag jupyter/${{ inputs.image }} ${{ inputs.image }}/
+        run: docker build --rm --force-rm --tag ${{ env.OWNER }}/${{ inputs.image }} ${{ inputs.image }}/
         env:
           DOCKER_BUILDKIT: 1
           # Full logs for CI build
@@ -53,11 +56,11 @@ jobs:
         shell: bash
 
       - name: Run tests ✅
-        run: python3 -m tests.run_tests --short-image-name ${{ inputs.image }}
+        run: python3 -m tests.run_tests --short-image-name ${{ inputs.image }} --owner ${{ env.OWNER }}
         shell: bash
 
       - name: Save image as a tar for later use 💾
-        run: docker save jupyter/${{ inputs.image }} -o /tmp/${{ inputs.image }}-${{ inputs.platform }}.tar
+        run: docker save ${{ env.OWNER }}/${{ inputs.image }} -o /tmp/${{ inputs.image }}-${{ inputs.platform }}.tar
         shell: bash
       - name: Upload image as artifact 💾
         uses: actions/upload-artifact@v3
diff --git a/.github/workflows/docker-tag-manifest-push.yml b/.github/workflows/docker-tag-manifest-push.yml
index ced13f63..a7d676c6 100644
--- a/.github/workflows/docker-tag-manifest-push.yml
+++ b/.github/workflows/docker-tag-manifest-push.yml
@@ -1,5 +1,8 @@
 name: Download Docker image from GitHub artifacts, tag and push it to DockerHub
 
+env:
+  OWNER: ${{ github.repository_owner }}
+
 on:
   workflow_call:
     inputs:
@@ -54,12 +57,12 @@ jobs:
 
       - name: Create tags 🏷
         run: |
-          python3 -m tagging.tag_image --short-image-name ${{ matrix.image }}
+          python3 -m tagging.tag_image --short-image-name ${{ matrix.image }} --owner ${{ env.OWNER }}
           docker image ls -a
         shell: bash
 
       - name: Write manifest and build history file 🏷
-        run: python3 -m tagging.write_manifest --short-image-name ${{ matrix.image }} --hist-line-dir /tmp/hist_lines/ --manifest-dir /tmp/manifests/
+        run: python3 -m tagging.write_manifest --short-image-name ${{ matrix.image }} --hist-line-dir /tmp/hist_lines/ --manifest-dir /tmp/manifests/ --owner ${{ env.OWNER }}
         shell: bash
       - name: Upload manifest file 💾
         uses: actions/upload-artifact@v3
@@ -76,7 +79,7 @@ jobs:
 
       - name: Remove aarch64 latest tag 🗑️
         if: ${{ inputs.platform != 'amd64' }}
-        run: docker rmi jupyter/${{ matrix.image }}
+        run: docker rmi ${{ env.OWNER }}/${{ matrix.image }}
         shell: bash
 
       - name: Login to Docker Hub 🔐
@@ -88,5 +91,5 @@ jobs:
 
       - name: Push Images to Docker Hub 📤
         if: github.ref == 'refs/heads/main' || github.event_name == 'schedule'
-        run: docker push --all-tags jupyter/${{ matrix.image }}
+        run: docker push --all-tags ${{ env.OWNER }}/${{ matrix.image }}
         shell: bash
diff --git a/.github/workflows/hub-overview.yml b/.github/workflows/hub-overview.yml
index 8a9bcc9c..4882549d 100644
--- a/.github/workflows/hub-overview.yml
+++ b/.github/workflows/hub-overview.yml
@@ -1,5 +1,8 @@
 name: Update dockerhub overviews
 
+env:
+  OWNER: ${{ github.repository_owner }}
+
 on:
   push:
     branches:
@@ -36,7 +39,7 @@ jobs:
           DOCKER_USER: ${{ secrets.DOCKERHUB_USERNAME }}
           DOCKER_PASS: ${{ secrets.DOCKERHUB_TOKEN }}
         with:
-          destination_container_repo: jupyter/base-notebook
+          destination_container_repo: ${{ env.OWNER }}/base-notebook
           provider: dockerhub
           short_description: "Small base image for Jupyter Notebook stacks from https://github.com/jupyter/docker-stacks"
           readme_file: base-notebook/README.md
diff --git a/tagging/tag_image.py b/tagging/tag_image.py
index 5e65d3d4..1df2d84a 100755
--- a/tagging/tag_image.py
+++ b/tagging/tag_image.py
@@ -50,7 +50,11 @@ if __name__ == "__main__":
         required=True,
         help="Short image name to apply tags for",
     )
-    arg_parser.add_argument("--owner", default="jupyter", help="Owner of the image")
+    arg_parser.add_argument(
+        "--owner",
+        required=True,
+        help="Owner of the image",
+    )
     args = arg_parser.parse_args()
 
     tag_image(args.short_image_name, args.owner)
diff --git a/tagging/write_manifest.py b/tagging/write_manifest.py
index 5c2b1f6d..06e890ce 100755
--- a/tagging/write_manifest.py
+++ b/tagging/write_manifest.py
@@ -120,7 +120,11 @@ if __name__ == "__main__":
         type=Path,
         help="Directory to save manifest file",
     )
-    arg_parser.add_argument("--owner", default="jupyter", help="Owner of the image")
+    arg_parser.add_argument(
+        "--owner",
+        required=True,
+        help="Owner of the image",
+    )
     args = arg_parser.parse_args()
 
     LOGGER.info(f"Current build timestamp: {BUILD_TIMESTAMP}")
diff --git a/tests/run_tests.py b/tests/run_tests.py
index 5a49d2b7..f8ab85f7 100755
--- a/tests/run_tests.py
+++ b/tests/run_tests.py
@@ -41,7 +41,11 @@ if __name__ == "__main__":
         required=True,
         help="Short image name to run test on",
     )
-    arg_parser.add_argument("--owner", default="jupyter", help="Owner of the image")
+    arg_parser.add_argument(
+        "--owner",
+        required=True,
+        help="Owner of the image",
+    )
 
     args = arg_parser.parse_args()