diff --git a/CHANGELOG.md b/CHANGELOG.md
index 77cba765b..5cf38f03a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ Please refer to the [NEWS](NEWS.md) for a list of changes which have an affect o
 ### Configuration
 
 ### Core
+- `intelmq.bin.intelmqctl`: Use `importlib.metadata` instead of deprecated `pkg_resources` to determine the installed version, fixing bot module discovery failing on Debian 13 (PR#2721 by Sebastian Wagner, fixes #2648).
 
 ### Development
 
@@ -40,6 +41,7 @@ Please refer to the [NEWS](NEWS.md) for a list of changes which have an affect o
 - Updates to Contrib and Overview pages (PR#2672 by Sebastian Wagner).
 
 ### Packaging
+- `debian/rules`: Run tests with `PYTHONPATH` pointing to the pybuild build directory, fixing the intelmq distribution not being detected during `dh_auto_test` on Debian 13 (PR#2721 by Sebastian Wagner, fixes #2675).
 
 ### Tests
 - `intelmq.tests.bots.parsers.openphish.test_parser_commercial`: Replace dummy key with more obvious dummy key, generate raw from input (PR#2665 by Sebastian Wagner, fixes #2663).
diff --git a/debian/rules b/debian/rules
index 01bc3be2a..0aa4293c9 100755
--- a/debian/rules
+++ b/debian/rules
@@ -34,6 +34,14 @@ override_dh_auto_build:
 	dh_auto_build
 	# $(MAKE) docs
 
+override_dh_auto_test:
+	# https://github.com/certtools/intelmq/issues/2675
+	# on Debian 13's pybuild-driven dh_auto_test, the package's installed metadata (entry points / distribution info) isn't visible to the test run, since it happens against a build-dir copy without the source tree's egg-info on PYTHONPATH.
+	# make sure the build directory (which does contain the generated egg-info) is importable, fixing distribution/entry-point discovery
+	PYBUILD_SYSTEM=custom \
+	PYBUILD_TEST_ARGS="cd {build_dir}; PYTHONPATH={build_dir} python{version} -m pytest --no-cov intelmq/tests/" \
+	dh_auto_test
+
 override_dh_auto_install: $(BOTDOCS)
 	sed -i -e '/#!\/usr\/bin\//d' intelmq/bin/*.py
 	sed -i -f debian/sedfile intelmq/etc/* setup.py contrib/logrotate/intelmq contrib/logcheck/logcheck.logfiles
diff --git a/intelmq/bin/intelmqctl.py b/intelmq/bin/intelmqctl.py
index 9668e0327..1c9f29d3b 100644
--- a/intelmq/bin/intelmqctl.py
+++ b/intelmq/bin/intelmqctl.py
@@ -17,9 +17,13 @@
 import traceback
 import time
 
-import pkg_resources
 from ruamel.yaml import YAML
 
+try:
+    from importlib.metadata import version as _pkg_version, PackageNotFoundError
+except ImportError:  # pragma: no cover
+    from importlib_metadata import version as _pkg_version, PackageNotFoundError
+
 from intelmq import (DEFAULT_LOGGING_LEVEL,  # noqa: F401
                      HARMONIZATION_CONF_FILE,
                      RUNTIME_CONF_FILE, VAR_RUN_PATH, STATE_FILE_PATH,
@@ -127,10 +131,10 @@ def __init__(self, interactive: bool = False, returntype: ReturnType = ReturnTyp
 
         APPNAME = "intelmqctl"
         try:
-            VERSION = pkg_resources.get_distribution("intelmq").version
-        except pkg_resources.DistributionNotFound:  # pragma: no cover
+            VERSION = _pkg_version("intelmq")
+        except PackageNotFoundError:  # pragma: no cover
             # can only happen in interactive mode
-            self._logger.error('No valid IntelMQ installation found: DistributionNotFound')
+            self._logger.error('No valid IntelMQ installation found: PackageNotFoundError')
             sys.exit(1)
         DESCRIPTION = """
         description: intelmqctl is the tool to control intelmq system.