diff --git a/gradle/dependency-management.gradle b/gradle/dependency-management.gradle
index 05cb656c..31b7fc1d 100644
--- a/gradle/dependency-management.gradle
+++ b/gradle/dependency-management.gradle
@@ -1,7 +1,7 @@
 dependencyManagement {
 	imports {
 		mavenBom 'com.fasterxml.jackson:jackson-bom:2.9.6'
-		mavenBom 'io.projectreactor:reactor-bom:Californium-SR8'
+		mavenBom 'io.projectreactor:reactor-bom:Californium-SR9'
 		mavenBom 'org.springframework:spring-framework-bom:5.1.7.RELEASE'
 		mavenBom 'org.springframework.data:spring-data-releasetrain:Lovelace-SR8'
 		mavenBom 'org.springframework.security:spring-security-bom:5.1.5.RELEASE'