diff --git a/x-pack/qa/multi-project/core-rest-tests-with-multiple-projects/src/yamlRestTest/java/org/elasticsearch/multiproject/test/CoreWithMultipleProjectsClientYamlTestSuiteIT.java b/x-pack/qa/multi-project/core-rest-tests-with-multiple-projects/src/yamlRestTest/java/org/elasticsearch/multiproject/test/CoreWithMultipleProjectsClientYamlTestSuiteIT.java
index da0432a3e3c5b..305af08607400 100644
--- a/x-pack/qa/multi-project/core-rest-tests-with-multiple-projects/src/yamlRestTest/java/org/elasticsearch/multiproject/test/CoreWithMultipleProjectsClientYamlTestSuiteIT.java
+++ b/x-pack/qa/multi-project/core-rest-tests-with-multiple-projects/src/yamlRestTest/java/org/elasticsearch/multiproject/test/CoreWithMultipleProjectsClientYamlTestSuiteIT.java
@@ -18,7 +18,7 @@
 import org.elasticsearch.test.rest.yaml.ESClientYamlSuiteTestCase;
 import org.junit.ClassRule;
 
-@TimeoutSuite(millis = 30 * TimeUnits.MINUTE)
+@TimeoutSuite(millis = 45 * TimeUnits.MINUTE)
 public class CoreWithMultipleProjectsClientYamlTestSuiteIT extends MultipleProjectsClientYamlSuiteTestCase {
 
     @ClassRule