diff --git a/spring-cloud-gateway-server/src/test/java/org/springframework/cloud/gateway/test/CustomBlockHoundIntegration.java b/spring-cloud-gateway-server/src/test/java/org/springframework/cloud/gateway/test/CustomBlockHoundIntegration.java
index 89ae2601..f18c3a3a 100644
--- a/spring-cloud-gateway-server/src/test/java/org/springframework/cloud/gateway/test/CustomBlockHoundIntegration.java
+++ b/spring-cloud-gateway-server/src/test/java/org/springframework/cloud/gateway/test/CustomBlockHoundIntegration.java
@@ -86,6 +86,8 @@ public class CustomBlockHoundIntegration implements BlockHoundIntegration {
 		builder.allowBlockingCallsInside(
 				"org.springframework.security.authentication.AbstractUserDetailsReactiveAuthenticationManager",
 				"lambda$authenticate$4");
+
+		builder.allowBlockingCallsInside("org.springframework.context.annotation.ConfigurationClassParser", "parse");
 	}
 
 }