diff --git a/exasol/toolbox/nox/_ci.py b/exasol/toolbox/nox/_ci.py
index 4dd9214ef..603634165 100644
--- a/exasol/toolbox/nox/_ci.py
+++ b/exasol/toolbox/nox/_ci.py
@@ -1,32 +1,59 @@
 import json
+import logging
 
 import nox
 from nox import Session
 
+from noxconfig import (
+    PROJECT_CONFIG,
+    Config,
+)
 
-def _python_matrix():
-    return {"python-version": ["3.9", "3.10", "3.11", "3.12"]}
+_log = logging.getLogger(__name__)
 
+_PYTHON_VERSIONS = ["3.9", "3.10", "3.11", "3.12"]
+_EXASOL_VERSIONS = ["7.1.9"]
 
-def _exasol_matrix():
-    return {"exasol-version": ["7.1.9"]}
+
+def _python_matrix(config: Config):
+    attr = "python_versions"
+    python_versions = getattr(config, attr, _PYTHON_VERSIONS)
+    if not hasattr(config, attr):
+        _log.warning(
+            "Config does not contain '%s' setting. Using default: %s",
+            attr,
+            _PYTHON_VERSIONS,
+        )
+    return {"python-version": python_versions}
+
+
+def _exasol_matrix(config: Config):
+    attr = "exasol_versions"
+    exasol_versions = getattr(config, attr, _EXASOL_VERSIONS)
+    if not hasattr(config, attr):
+        _log.warning(
+            "Config does not contain '%s' setting. Using default: %s",
+            attr,
+            _EXASOL_VERSIONS,
+        )
+    return {"exasol-version": exasol_versions}
 
 
 @nox.session(name="matrix:python", python=False)
 def python_matrix(session: Session) -> None:
     """Output the build matrix for Python versions as JSON."""
-    print(json.dumps(_python_matrix()))
+    print(json.dumps(_python_matrix(PROJECT_CONFIG)))
 
 
 @nox.session(name="matrix:exasol", python=False)
 def exasol_matrix(session: Session) -> None:
     """Output the build matrix for Exasol versions as JSON."""
-    print(json.dumps(_exasol_matrix()))
+    print(json.dumps(_exasol_matrix(PROJECT_CONFIG)))
 
 
 @nox.session(name="matrix:all", python=False)
 def full_matrix(session: Session) -> None:
     """Output the full build matrix for Python & Exasol versions as JSON."""
-    matrix = _python_matrix()
-    matrix.update(_exasol_matrix())
+    matrix = _python_matrix(PROJECT_CONFIG)
+    matrix.update(_exasol_matrix(PROJECT_CONFIG))
     print(json.dumps(matrix))