diff --git a/src/caosdb/schema-pycaosdb-ini.yml b/src/caosdb/schema-pycaosdb-ini.yml
index fd49c2ffa63e7bc334f8177ff79575f46718f38c..2653aeceeee94bfc26f17af19fda1618c580bbf1 100644
--- a/src/caosdb/schema-pycaosdb-ini.yml
+++ b/src/caosdb/schema-pycaosdb-ini.yml
@@ -85,3 +85,6 @@ schema-pycaosdb-ini:
                 const: keyring
           then:
             required: [url, username]
+    IntegrationTests:
+      description: "Used by the integration test suite from the caosdb-pyinttest repo."
+      additionalProperties: true