diff --git a/docker/conf/modsecurity/crs/RESPONSE-999-EXCLUSION-RULES-AFTER-CRS.conf b/docker/conf/modsecurity/crs/RESPONSE-999-EXCLUSION-RULES-AFTER-CRS.conf
index d00ddd38e6d17c1003abe62f4529c465439cc6a2..f2e9c3eec8772308091727aa240bd5c4fa0098c9 100644
--- a/docker/conf/modsecurity/crs/RESPONSE-999-EXCLUSION-RULES-AFTER-CRS.conf
+++ b/docker/conf/modsecurity/crs/RESPONSE-999-EXCLUSION-RULES-AFTER-CRS.conf
@@ -48,3 +48,6 @@ SecRuleRemoveByID 932120
 # US-ASCII malformed encoding (Tomcat), fires on Russian posts
 SecRuleRemoveByID 941310
 
+# PostgreSQL connection errors.
+SecRuleRemoveByID 951240
+