diff --git a/gradle/docs.gradle b/gradle/docs.gradle
index e0be846ea4..7065153aa3 100644
--- a/gradle/docs.gradle
+++ b/gradle/docs.gradle
@@ -10,7 +10,7 @@ repositories {
 	maven {
 		url "https://repo.spring.io/release"
 		mavenContent {
-			group "io.spring.asciidoctor"
+			includeGroup "io.spring.asciidoctor"
 		}
 	}
 }