diff --git a/tox.ini b/tox.ini
index da2cdc0da1c397acd62fa0a7b75c339552aa40f2..f4378349a7f2fc058a507fe6ab381ffa221961ed 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,4 +21,4 @@ basepython = python3.9
 commands =
     pip install -e ".[dev,sqlite,redis,postgres]"
     pytest --cov . --cov-append --cov-report= .
-    coverage report --fail-under=97 --include="postfix_mta_sts_resolver/*" --show-missing
+    coverage report --fail-under=90 --include="postfix_mta_sts_resolver/*" --show-missing