diff --git a/Changelog.md b/Changelog.md
index 32c39090bfc7425b3288c99c6adba55b2a7f2e67..43d7ee17ca70248c1309044be71ae8cc88e2a044 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -2,6 +2,9 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.4] - 2021-08-24
+- bugfix (POL1-492)
+
 ## [0.3] - 2021-08-20
 - less strict inventory response validation
 - gws direct & indirect checks
diff --git a/brian_polling_manager/main.py b/brian_polling_manager/main.py
index ab837be04feb9235447bee664f800355493088b7..a753961cd9aa60da479c218461dde27b6de08dda 100644
--- a/brian_polling_manager/main.py
+++ b/brian_polling_manager/main.py
@@ -29,8 +29,8 @@ import click
 import jsonschema
 from statsd import StatsClient
 
-from brian_polling_manager \
-    import inventory, configuration, interfaces, gws_direct, gws_indirect
+from brian_polling_manager import inventory, configuration, \
+    interfaces, gws_direct, gws_indirect, sensu
 
 logger = logging.getLogger(__name__)
 
@@ -74,6 +74,8 @@ def refresh(config, force=False):
     :param force: if True, reload inventory data even if timestamp is same
     :return: a dict, formatted as above
     """
+    sensu.clear_cached_values()
+
     state = configuration.State(config['statedir'])
     last = inventory.last_update_timestamp(config['inventory'])
     if force or not last or last != state.last:
diff --git a/brian_polling_manager/sensu.py b/brian_polling_manager/sensu.py
index b03ec13862c92fb7f1d8d0db4a5a0b3c094c939c..1ac0bf705ca11978dabdc480f7959e1591eec132 100644
--- a/brian_polling_manager/sensu.py
+++ b/brian_polling_manager/sensu.py
@@ -12,6 +12,11 @@ logger = logging.getLogger(__name__)
 _cached_checks = None  # not using lru_cache, since params is a dict
 
 
+def clear_cached_values():
+    global _cached_checks
+    _cached_checks = None
+
+
 def load_all_checks(params, namespace='default'):
     global _cached_checks
     if _cached_checks is not None:
diff --git a/setup.py b/setup.py
index 3a42b85f51d7e227bd1530c6d66791682acd8b4e..770234eac602ce417fe7afa2a3adb0ae35d815a7 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 
 setup(
     name='brian-polling-manager',
-    version="0.3",
+    version="0.4",
     author='GEANT',
     author_email='swd@geant.org',
     description='service for managing BRIAN polling checks',