diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index d138d8c9d..d416efda9 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -46,16 +46,16 @@ jobs:
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@ff0a06e83cb2de871e5a09832bc6a81e7276941f # v3.28.18
+        uses: github/codeql-action/init@181d5eefc20863364f96762470ba6f862bdef56b # v3.29.2
         with:
           languages: ${{ matrix.language }}
 
       # Autobuild attempts to build any compiled languages  (C/C++, C#, Go, or Java).
       # If this step fails, then you should remove it and run the build manually
       - name: Autobuild
-        uses: github/codeql-action/autobuild@ff0a06e83cb2de871e5a09832bc6a81e7276941f # v3.28.18
+        uses: github/codeql-action/autobuild@181d5eefc20863364f96762470ba6f862bdef56b # v3.29.2
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@ff0a06e83cb2de871e5a09832bc6a81e7276941f # v3.28.18
+        uses: github/codeql-action/analyze@181d5eefc20863364f96762470ba6f862bdef56b # v3.29.2
         with:
           category: "/language:${{matrix.language}}"
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 6597427e0..fb14c248e 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -40,7 +40,7 @@ jobs:
           persist-credentials: false
 
       - name: "Run analysis"
-        uses: ossf/scorecard-action@f49aabe0b5af0936a0987cfb85d86b75731b0186 # v2.4.1
+        uses: ossf/scorecard-action@05b42c624433fc40578a4040d5cf5e36ddca8cde # v2.4.2
         with:
           results_file: results.sarif
           results_format: sarif
@@ -65,6 +65,6 @@ jobs:
 
       # Upload the results to GitHub's code scanning dashboard.
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@ff0a06e83cb2de871e5a09832bc6a81e7276941f # v3.28.18
+        uses: github/codeql-action/upload-sarif@181d5eefc20863364f96762470ba6f862bdef56b # v3.29.2
         with:
           sarif_file: resultsFiltered.sarif
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 26374034b..5883ebe65 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.18.3](https://github.com/GoogleCloudPlatform/cloud-sql-python-connector/compare/v1.18.2...v1.18.3) (2025-07-11)
+
+
+### Bug Fixes
+
+* suppress lint check for _scopes property ([#1308](https://github.com/GoogleCloudPlatform/cloud-sql-python-connector/issues/1308)) ([821245c](https://github.com/GoogleCloudPlatform/cloud-sql-python-connector/commit/821245c1911fb970e3409b3e249698937a8b7867))
+
 ## [1.18.2](https://github.com/GoogleCloudPlatform/cloud-sql-python-connector/compare/v1.18.1...v1.18.2) (2025-05-20)
 
 
diff --git a/google/cloud/sql/connector/refresh_utils.py b/google/cloud/sql/connector/refresh_utils.py
index 447c0b480..0ef7fcbf7 100644
--- a/google/cloud/sql/connector/refresh_utils.py
+++ b/google/cloud/sql/connector/refresh_utils.py
@@ -104,7 +104,7 @@ def _downscope_credentials(
         scoped_creds = copy.copy(credentials)
         # overwrite '_scopes' to down-scope user credentials
         # Cloud SDK reference: https://github.com/google-cloud-sdk-unofficial/google-cloud-sdk/blob/93920ccb6d2cce0fe6d1ce841e9e33410551d66b/lib/googlecloudsdk/command_lib/sql/generate_login_token_util.py#L116
-        scoped_creds._scopes = scopes
+        scoped_creds._scopes = scopes # type: ignore[attr-defined]
     # down-scoped credentials require refresh, are invalid after being re-scoped
     request = google.auth.transport.requests.Request()
     scoped_creds.refresh(request)
diff --git a/google/cloud/sql/connector/version.py b/google/cloud/sql/connector/version.py
index ad763d279..a60f3fe11 100644
--- a/google/cloud/sql/connector/version.py
+++ b/google/cloud/sql/connector/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "1.18.2"
+__version__ = "1.18.3"
diff --git a/requirements-test.txt b/requirements-test.txt
index 726b8d308..a858da78f 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,7 +1,7 @@
-pytest==8.3.5
+pytest==8.4.1
 mock==5.2.0
-pytest-cov==6.1.1
-pytest-asyncio==0.26.0
+pytest-cov==6.2.1
+pytest-asyncio==1.0.0
 SQLAlchemy[asyncio]==2.0.41
 sqlalchemy-pytds==1.0.2
 sqlalchemy-stubs==0.4
diff --git a/requirements.txt b/requirements.txt
index 1952ba277..036c2ab2c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 aiofiles==24.1.0
-aiohttp==3.11.18
-cryptography==45.0.2
+aiohttp==3.12.14
+cryptography==45.0.5
 dnspython==2.7.0
-Requests==2.32.3
-google-auth==2.40.1
+Requests==2.32.4
+google-auth==2.40.3