diff --git a/.github/containers/test-installation/Dockerfile b/.github/containers/test-installation/Dockerfile
index 4637ed6f..478e6acb 100644
--- a/.github/containers/test-installation/Dockerfile
+++ b/.github/containers/test-installation/Dockerfile
@@ -3,7 +3,7 @@
 # This Dockerfile is used to test the installation of the python package in
 # multiple platforms in the CI. It is not used to build the package itself.
 
-FROM --platform=${TARGETPLATFORM} python:3.11-slim
+FROM python:3.11-slim
 
 RUN apt-get update -y && \
     apt-get install --no-install-recommends -y \
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 8978cb3c..23cd21b1 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -39,3 +39,11 @@ updates:
     labels:
       - "part:tooling"
       - "type:tech-debt"
+    groups:
+      compatible:
+        update-types:
+          - "minor"
+          - "patch"
+      artifacts:
+        patterns:
+          - "actions/*-artifact"
diff --git a/pyproject.toml b/pyproject.toml
index 53635a9a..6222b159 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -155,6 +155,8 @@ disable = [
   "unsubscriptable-object",
   # Checked by mypy
   "no-member",
+  "possibly-used-before-assignment",
+  "no-name-in-module",
   # Checked by flake8
   "redefined-outer-name",
   "unused-import",
@@ -168,6 +170,7 @@ disable = [
 [tool.pytest.ini_options]
 testpaths = ["tests", "src"]
 asyncio_mode = "auto"
+asyncio_default_fixture_loop_scope = "function"
 required_plugins = ["pytest-asyncio", "pytest-mock"]
 
 [tool.mypy]
diff --git a/src/frequenz/client/conftest.py b/src/frequenz/client/conftest.py
index fcea02a4..c84af78f 100644
--- a/src/frequenz/client/conftest.py
+++ b/src/frequenz/client/conftest.py
@@ -10,9 +10,4 @@
 from frequenz.repo.config.pytest import examples
 from sybil import Sybil
 
-sybil_arguments = examples.get_sybil_arguments()
-# Upstream includes "excludes" to work around a bug in Sybil.
-# This bug seems to be fixed in our version of Sybil, so we remove it.
-sybil_arguments.pop("excludes")
-
-pytest_collect_file = Sybil(**sybil_arguments).pytest()
+pytest_collect_file = Sybil(**examples.get_sybil_arguments()).pytest()