diff --git a/spring-session-samples/gradle/dependency-management.gradle b/spring-session-samples/gradle/dependency-management.gradle
index f340eb16..8f00291b 100644
--- a/spring-session-samples/gradle/dependency-management.gradle
+++ b/spring-session-samples/gradle/dependency-management.gradle
@@ -1,3 +1,4 @@
+ext['jackson.version'] = '2.10.0'
 ext['reactor-bom.version'] = 'Dysprosium-RELEASE'
 ext['spring-data-releasetrain.version'] = 'Moore-RELEASE'
 ext['spring-framework.version'] = '5.2.0.RELEASE'