diff --git a/build.gradle b/build.gradle
index 1c7abd52..0cfd04a0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -76,7 +76,7 @@ subprojects {
     dependencies {
         implementation "com.graphql-java:graphql-java:$graphqlJavaVersion"
         testImplementation "org.codehaus.groovy:groovy-test:$groovyVersion"
-        testImplementation "io.projectreactor:reactor-test:3.5.5"
+        testImplementation "io.projectreactor:reactor-test:3.6.0"
         testImplementation("org.spockframework:spock-core:$spockVersion")
         implementation 'org.grails:grails-datastore-gorm:7.3.4'
     }