diff --git a/spring-session-samples/gradle/dependency-management.gradle b/spring-session-samples/gradle/dependency-management.gradle
index 3a52ebb7..3ad1efcc 100644
--- a/spring-session-samples/gradle/dependency-management.gradle
+++ b/spring-session-samples/gradle/dependency-management.gradle
@@ -1,5 +1,6 @@
-ext['spring-framework.version'] = '5.2.0.RELEASE'
+ext['reactor-bom.version'] = 'Dysprosium-RELEASE'
 ext['spring-data-releasetrain.version'] = 'Moore-RELEASE'
+ext['spring-framework.version'] = '5.2.0.RELEASE'
 ext['webjars-locator-core.version'] = '0.38'
 
 dependencyManagement {