diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index d5c43e1..7a6fec2 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -10,7 +10,7 @@ on:
 jobs:
   python-packaging:
     name: 🐍 Packaging
-    uses: cda-tum/mqt-workflows/.github/workflows/reusable-python-packaging.yml@v1.3
+    uses: cda-tum/mqt-workflows/.github/workflows/reusable-python-packaging.yml@v1.4
     with:
       pure-python: true
 
@@ -37,3 +37,5 @@ jobs:
         with:
           subject-path: "dist/*"
       - uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          attestations: true
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 09e1a9b..8bf01da 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,21 +14,19 @@ concurrency:
 jobs:
   change-detection:
     name: 🔍 Change
-    uses: cda-tum/mqt-workflows/.github/workflows/reusable-change-detection.yml@v1.3
+    uses: cda-tum/mqt-workflows/.github/workflows/reusable-change-detection.yml@v1.4
 
   python-tests:
     name: 🐍 Test
     needs: change-detection
     if: fromJSON(needs.change-detection.outputs.run-python-tests)
-    uses: cda-tum/mqt-workflows/.github/workflows/reusable-python-ci.yml@v1.3
-    with:
-      skip-testing-latest-python: true
+    uses: cda-tum/mqt-workflows/.github/workflows/reusable-python-ci.yml@v1.4
 
   code-ql:
     name: 📝 CodeQL
     needs: change-detection
     if: fromJSON(needs.change-detection.outputs.run-code-ql)
-    uses: cda-tum/mqt-workflows/.github/workflows/reusable-code-ql-python.yml@v1.3
+    uses: cda-tum/mqt-workflows/.github/workflows/reusable-code-ql-python.yml@v1.4
 
   required-checks-pass: # This job does nothing and is only used for branch protection
     name: 🚦 Check
diff --git a/noxfile.py b/noxfile.py
index 8c3319f..2581909 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -15,7 +15,7 @@
 nox.needs_version = ">=2024.3.2"
 nox.options.default_venv_backend = "uv|virtualenv"
 
-PYTHON_ALL_VERSIONS = ["3.9", "3.10", "3.11", "3.12", "3.13"]
+PYTHON_ALL_VERSIONS = ["3.9", "3.10", "3.11", "3.12"]
 
 BUILD_REQUIREMENTS = [
     "setuptools>=66.1",