diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 90f7d3fd5..899f8fabf 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -22,9 +22,9 @@ jobs:
   sphinx:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6.0.1
+      - uses: actions/checkout@v6.0.2
       - name: Set up Python
-        uses: actions/setup-python@v6.1.0
+        uses: actions/setup-python@v6.2.0
         with:
           python-version: "3.14"
       - name: Install dependencies
@@ -37,9 +37,9 @@ jobs:
   twine-check:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6.0.1
+      - uses: actions/checkout@v6.0.2
       - name: Set up Python
-        uses: actions/setup-python@v6.1.0
+        uses: actions/setup-python@v6.2.0
         with:
           python-version: "3.14"
       - name: Install dependencies
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 01bee8a33..7a0dd38dc 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -22,10 +22,10 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.1
+      - uses: actions/checkout@v6.0.2
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v6.1.0
+      - uses: actions/setup-python@v6.2.0
         with:
           python-version: "3.14"
       - run: pip install --upgrade tox
diff --git a/.github/workflows/pre_commit.yml b/.github/workflows/pre_commit.yml
index 4be228d66..993606750 100644
--- a/.github/workflows/pre_commit.yml
+++ b/.github/workflows/pre_commit.yml
@@ -29,8 +29,8 @@ jobs:
   pre_commit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.1
-      - uses: actions/setup-python@v6.1.0
+      - uses: actions/checkout@v6.0.2
+      - uses: actions/setup-python@v6.2.0
         with:
           python-version: "3.14"
       - name: install tox
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ff04716dd..01829b244 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
       id-token: write
     environment: pypi.org
     steps:
-    - uses: actions/checkout@v6.0.1
+    - uses: actions/checkout@v6.0.2
       with:
         fetch-depth: 0
         token: ${{ secrets.RELEASE_GITHUB_TOKEN }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0f2af115e..397559d31 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -46,9 +46,9 @@ jobs:
               version: "3.14"
               toxenv: py314,smoke
     steps:
-      - uses: actions/checkout@v6.0.1
+      - uses: actions/checkout@v6.0.2
       - name: Set up Python ${{ matrix.python.version }}
-        uses: actions/setup-python@v6.1.0
+        uses: actions/setup-python@v6.2.0
         with:
           python-version: ${{ matrix.python.version }}
       - name: Install dependencies
@@ -65,9 +65,9 @@ jobs:
       matrix:
         toxenv: [api_func_v4, cli_func_v4]
     steps:
-      - uses: actions/checkout@v6.0.1
+      - uses: actions/checkout@v6.0.2
       - name: Set up Python
-        uses: actions/setup-python@v6.1.0
+        uses: actions/setup-python@v6.2.0
         with:
           python-version: "3.14"
       - name: Install dependencies
@@ -87,9 +87,9 @@ jobs:
   coverage:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6.0.1
+      - uses: actions/checkout@v6.0.2
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v6.1.0
+        uses: actions/setup-python@v6.2.0
         with:
           python-version: "3.14"
       - name: Install dependencies
@@ -111,8 +111,8 @@ jobs:
     runs-on: ubuntu-latest
     name: Python wheel
     steps:
-    - uses: actions/checkout@v6.0.1
-    - uses: actions/setup-python@v6.1.0
+    - uses: actions/checkout@v6.0.2
+    - uses: actions/setup-python@v6.2.0
       with:
         python-version: "3.14"
     - name: Install dependencies
@@ -129,9 +129,9 @@ jobs:
     runs-on: ubuntu-latest
     needs: [dist]
     steps:
-    - uses: actions/checkout@v6.0.1
+    - uses: actions/checkout@v6.0.2
     - name: Set up Python
-      uses: actions/setup-python@v6.1.0
+      uses: actions/setup-python@v6.2.0
       with:
         python-version: '3.14'
     - uses: actions/download-artifact@v7.0.0
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 3b93e8655..1db179a02 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -3,11 +3,11 @@ default_language_version:
 
 repos:
   - repo: https://github.com/psf/black
-    rev: 25.12.0
+    rev: 26.1.0
     hooks:
       - id: black
   - repo: https://github.com/commitizen-tools/commitizen
-    rev: v4.10.1
+    rev: v4.12.1
     hooks:
       - id: commitizen
         stages: [commit-msg]
@@ -25,7 +25,7 @@ repos:
       - id: pylint
         additional_dependencies:
           - argcomplete==2.0.0
-          - gql==3.5.0
+          - gql==4.0.0
           - httpx==0.27.2
           - pytest==7.4.2
           - requests==2.28.1
@@ -37,7 +37,7 @@ repos:
       - id: mypy
         args: []
         additional_dependencies:
-          - gql==3.5.0
+          - gql==4.0.0
           - httpx==0.27.2
           - jinja2==3.1.2
           - pytest==7.4.2
@@ -51,6 +51,6 @@ repos:
       - id: rst-directive-colons
       - id: rst-inline-touching-normal
   - repo: https://github.com/maxbrunet/pre-commit-renovate
-    rev: 42.64.1
+    rev: 42.84.0
     hooks:
       - id: renovate-config-validator
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef85c5019..dca7acc04 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,34 @@
 
 All versions below are listed in reverse chronological order.
 
+## v8.0.0 (2026-01-28)
+
+### Bug Fixes
+
+- Actually define project repr_attr
+  ([`4187a69`](https://github.com/python-gitlab/python-gitlab/commit/4187a69420dd7b2e60c2d833ab246aec745d35cb))
+
+- File save start_branch as a body attribute
+  ([`1001d93`](https://github.com/python-gitlab/python-gitlab/commit/1001d934e8c36cc3b14408b46b41030bf705a294))
+
+### Chores
+
+- **black**: Run black v26 on code
+  ([`4a8d82b`](https://github.com/python-gitlab/python-gitlab/commit/4a8d82bec8f09fa142e8134589a0f40ef4f9c3be))
+
+- **precommit**: Update dependency black to v26
+  ([`ad43b76`](https://github.com/python-gitlab/python-gitlab/commit/ad43b763acdcd8d7db832972921fb071ea0a826f))
+
+### Features
+
+- **graphql**: Update to gql 4.0.0
+  ([`6f0da67`](https://github.com/python-gitlab/python-gitlab/commit/6f0da671b4586b23232ae89d57622254fa8a7945))
+
+### Breaking Changes
+
+- **graphql**: GraphQL.execute() no longer accepts graphql.Source
+
+
 ## v7.1.0 (2025-12-28)
 
 ### Bug Fixes
diff --git a/gitlab/_version.py b/gitlab/_version.py
index 8305f3a6c..cf0655911 100644
--- a/gitlab/_version.py
+++ b/gitlab/_version.py
@@ -3,4 +3,4 @@
 __email__ = "gauvainpocentek@gmail.com"
 __license__ = "LGPL3"
 __title__ = "python-gitlab"
-__version__ = "7.1.0"
+__version__ = "8.0.0"
diff --git a/gitlab/cli.py b/gitlab/cli.py
index ca4734190..c804911a1 100644
--- a/gitlab/cli.py
+++ b/gitlab/cli.py
@@ -334,7 +334,7 @@ def main() -> None:
     # This first parsing step is used to find the gitlab config to use, and
     # load the propermodule (v3 or v4) accordingly. At that point we don't have
     # any subparser setup
-    (options, _) = parser.parse_known_args(sys.argv)
+    options, _ = parser.parse_known_args(sys.argv)
     try:
         config = gitlab.config.GitlabConfigParser(options.gitlab, options.config_file)
     except gitlab.config.ConfigError as e:
diff --git a/gitlab/client.py b/gitlab/client.py
index 37dd4c2e6..a3cf1f31a 100644
--- a/gitlab/client.py
+++ b/gitlab/client.py
@@ -18,7 +18,6 @@
 try:
     import gql
     import gql.transport.exceptions
-    import graphql
     import httpx
 
     from ._backends.graphql import GitlabAsyncTransport, GitlabTransport
@@ -1350,7 +1349,7 @@ def __enter__(self) -> GraphQL:
     def __exit__(self, *args: Any) -> None:
         self._http_client.close()
 
-    def execute(self, request: str | graphql.Source, *args: Any, **kwargs: Any) -> Any:
+    def execute(self, request: str, *args: Any, **kwargs: Any) -> Any:
         parsed_document = self._gql(request)
         retry = utils.Retry(
             max_retries=self._max_retries,
@@ -1420,9 +1419,7 @@ async def __aenter__(self) -> AsyncGraphQL:
     async def __aexit__(self, *args: Any) -> None:
         await self._http_client.aclose()
 
-    async def execute(
-        self, request: str | graphql.Source, *args: Any, **kwargs: Any
-    ) -> Any:
+    async def execute(self, request: str, *args: Any, **kwargs: Any) -> Any:
         parsed_document = self._gql(request)
         retry = utils.Retry(
             max_retries=self._max_retries,
diff --git a/gitlab/v4/objects/files.py b/gitlab/v4/objects/files.py
index 757d16eeb..3bcf931a2 100644
--- a/gitlab/v4/objects/files.py
+++ b/gitlab/v4/objects/files.py
@@ -29,6 +29,7 @@ class ProjectFile(SaveMixin, ObjectDeleteMixin, RESTObject):
     file_path: str
     manager: ProjectFileManager
     content: str  # since the `decode()` method uses `self.content`
+    start_branch: str | None = None
 
     def decode(self) -> bytes:
         """Returns the decoded content of the file.
@@ -41,7 +42,11 @@ def decode(self) -> bytes:
     # NOTE(jlvillal): Signature doesn't match SaveMixin.save() so ignore
     # type error
     def save(  # type: ignore[override]
-        self, branch: str, commit_message: str, **kwargs: Any
+        self,
+        branch: str,
+        commit_message: str,
+        start_branch: str | None = None,
+        **kwargs: Any,
     ) -> None:
         """Save the changes made to the file to the server.
 
@@ -50,6 +55,7 @@ def save(  # type: ignore[override]
         Args:
             branch: Branch in which the file will be updated
             commit_message: Message to send with the commit
+            start_branch: Name of the branch to start the new branch from
             **kwargs: Extra options to send to the server (e.g. sudo)
 
         Raises:
@@ -58,6 +64,7 @@ def save(  # type: ignore[override]
         """
         self.branch = branch
         self.commit_message = commit_message
+        self.start_branch = start_branch
         self.file_path = utils.EncodedId(self.file_path)
         super().save(**kwargs)
 
diff --git a/gitlab/v4/objects/projects.py b/gitlab/v4/objects/projects.py
index 035b9b861..751ac4c1f 100644
--- a/gitlab/v4/objects/projects.py
+++ b/gitlab/v4/objects/projects.py
@@ -178,6 +178,8 @@ class Project(
     _repr_attr = "path_with_namespace"
     _upload_path = "/projects/{id}/uploads"
 
+    path_with_namespace: str
+
     access_tokens: ProjectAccessTokenManager
     accessrequests: ProjectAccessRequestManager
     additionalstatistics: ProjectAdditionalStatisticsManager
diff --git a/pyproject.toml b/pyproject.toml
index 7b8510b94..45e8c36f8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ dynamic = ["version"]
 [project.optional-dependencies]
 autocompletion = ["argcomplete>=1.10.0,<3"]
 yaml = ["PyYaml>=6.0.1"]
-graphql = ["gql[httpx]>=3.5.0,<4"]
+graphql = ["gql[httpx]>=3.5.0,<5"]
 
 [project.scripts]
 gitlab = "gitlab.cli:main"
diff --git a/requirements-docs.txt b/requirements-docs.txt
index 8d756d4f1..1c445092a 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -1,7 +1,7 @@
 -r requirements.txt
 furo==2025.12.19
 jinja2==3.1.6
-myst-parser==4.0.1
-sphinx==8.2.3
+myst-parser==5.0.0
+sphinx==9.1.0
 sphinxcontrib-autoprogram==0.1.9
 sphinx-autobuild==2025.8.25
diff --git a/requirements-lint.txt b/requirements-lint.txt
index 5006460d1..dc670d57e 100644
--- a/requirements-lint.txt
+++ b/requirements-lint.txt
@@ -1,7 +1,7 @@
 -r requirements.txt
 argcomplete==2.0.0
-black==25.12.0
-commitizen==4.10.1
+black==26.1.0
+commitizen==4.12.1
 flake8==7.3.0
 isort==7.0.0
 mypy==1.19.1
@@ -10,5 +10,5 @@ pytest==9.0.2
 responses==0.25.8
 respx==0.22.0
 types-PyYAML==6.0.12.20250915
-types-requests==2.32.4.20250913
-types-setuptools==80.9.0.20251221
+types-requests==2.32.4.20260107
+types-setuptools==80.10.0.20260124
diff --git a/requirements-test.txt b/requirements-test.txt
index b06434452..875329563 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,7 +1,7 @@
 -r requirements.txt
-anyio==4.12.0
-build==1.3.0
-coverage==7.13.0
+anyio==4.12.1
+build==1.4.0
+coverage==7.13.2
 pytest-console-scripts==1.4.1
 pytest-cov==7.0.0
 pytest-github-actions-annotate-failures==0.3.0
@@ -10,4 +10,4 @@ PyYaml==6.0.3
 responses==0.25.8
 respx==0.22.0
 trio==0.32.0
-wheel==0.45.1
+wheel==0.46.3
diff --git a/requirements.txt b/requirements.txt
index 6930e5d2c..d51e14533 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-gql==3.5.3
+gql==4.0.0
 httpx==0.28.1
 requests==2.32.5
 requests-toolbelt==1.0.0
diff --git a/tests/functional/cli/test_cli_artifacts.py b/tests/functional/cli/test_cli_artifacts.py
index 589486844..9fe4d01ef 100644
--- a/tests/functional/cli/test_cli_artifacts.py
+++ b/tests/functional/cli/test_cli_artifacts.py
@@ -7,14 +7,12 @@
 
 import pytest
 
-content = textwrap.dedent(
-    """\
+content = textwrap.dedent("""\
     test-artifact:
       script: echo "test" > artifact.txt
       artifacts:
         untracked: true
-    """
-)
+    """)
 data = {
     "file_path": ".gitlab-ci.yml",
     "branch": "main",
diff --git a/tests/functional/fixtures/.env b/tests/functional/fixtures/.env
index f33c35752..c51423c9d 100644
--- a/tests/functional/fixtures/.env
+++ b/tests/functional/fixtures/.env
@@ -1,4 +1,4 @@
 GITLAB_IMAGE=gitlab/gitlab-ee
-GITLAB_TAG=18.7.0-ee.0
+GITLAB_TAG=18.8.2-ee.0
 GITLAB_RUNNER_IMAGE=gitlab/gitlab-runner
 GITLAB_RUNNER_TAG=96856197
diff --git a/tests/unit/test_config.py b/tests/unit/test_config.py
index 32b9c9ef9..b8470f22b 100644
--- a/tests/unit/test_config.py
+++ b/tests/unit/test_config.py
@@ -268,28 +268,22 @@ def test_ssl_verify_as_str(m_open, monkeypatch):
 def test_data_from_helper(m_open, monkeypatch, tmp_path):
     helper = tmp_path / "helper.sh"
     helper.write_text(
-        dedent(
-            """\
+        dedent("""\
             #!/bin/sh
             echo "secret"
-            """
-        ),
+            """),
         encoding="utf-8",
     )
     helper.chmod(0o755)
 
-    fd = io.StringIO(
-        dedent(
-            f"""\
+    fd = io.StringIO(dedent(f"""\
             [global]
             default = helper
 
             [helper]
             url = https://helper.url
             oauth_token = helper: {helper}
-            """
-        )
-    )
+            """))
 
     fd.close = mock.Mock(return_value=None)
     m_open.return_value = fd
@@ -306,18 +300,14 @@ def test_data_from_helper(m_open, monkeypatch, tmp_path):
 @pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supported on Windows")
 def test_from_helper_subprocess_error_raises_error(m_open, monkeypatch):
     # using false here to force a non-zero return code
-    fd = io.StringIO(
-        dedent(
-            """\
+    fd = io.StringIO(dedent("""\
             [global]
             default = helper
 
             [helper]
             url = https://helper.url
             oauth_token = helper: false
-            """
-        )
-    )
+            """))
 
     fd.close = mock.Mock(return_value=None)
     m_open.return_value = fd