diff --git a/oauth2-authorization-server/spring-security-oauth2-authorization-server.gradle b/oauth2-authorization-server/spring-security-oauth2-authorization-server.gradle
index 1681282..2e65b34 100644
--- a/oauth2-authorization-server/spring-security-oauth2-authorization-server.gradle
+++ b/oauth2-authorization-server/spring-security-oauth2-authorization-server.gradle
@@ -20,5 +20,5 @@ dependencies {
 }
 
 jacoco {
-	toolVersion = '0.8.5'
+	toolVersion = '0.8.6'
 }