diff --git a/src/caoscrawler/crawl.py b/src/caoscrawler/crawl.py
index 68a0977cac8a9f0c3a3f57191a256fb04dbe2b7b..d95af7f0eedc96f1ac263b33c7bb620fce57c2e6 100644
--- a/src/caoscrawler/crawl.py
+++ b/src/caoscrawler/crawl.py
@@ -38,7 +38,7 @@ import logging
 import os
 import sys
 import uuid
-from caosdb.cached import cached_get_entity_by
+from caosdb.cached import cached_get_entity_by, cache_clear
 import warnings
 import yaml
 
@@ -847,6 +847,7 @@ class Crawler(object):
         logger.info(f"Going to insert {len(to_be_inserted)} Entities and update "
                     f"{len(to_be_updated)} Entities.")
         if commit_changes:
+            cache_clear()
             self.execute_parent_updates_in_list(to_be_updated, securityMode=self.securityMode,
                                                 run_id=self.run_id, unique_names=unique_names)
             logger.info(f"Added parent RecordTypes where necessary.")
diff --git a/unittests/test_tool.py b/unittests/test_tool.py
index 0853cb3379a312ebf2a853a1ed1294192c0b5369..c8b11523211c66c1dfe6d7bf2d6938bdf9ff662a 100755
--- a/unittests/test_tool.py
+++ b/unittests/test_tool.py
@@ -46,7 +46,7 @@ from os.path import join, dirname, basename
 import yaml
 import caosdb as db
 from caosdb.apiutils import compare_entities
-
+from caosdb.cached import cache_clear
 import pytest
 from pytest import raises
 
@@ -76,6 +76,11 @@ def dircheckstr(*pathcomponents):
             "test_directories", "examples_article", *pathcomponents))
 
 
+@pytest.fixture
+def clear_cache(autouse=True):
+    cache_clear()
+
+
 @pytest.fixture
 def crawler():
     crawler = Crawler()