diff --git a/lib/manager/gradle/gradle-updates-report.ts b/lib/manager/gradle/gradle-updates-report.ts
index 319ce23817930472ef54f070756be9d6da9ff76b..03a33a04b4d8bd6e65d96569da08e32a8fc76706 100644
--- a/lib/manager/gradle/gradle-updates-report.ts
+++ b/lib/manager/gradle/gradle-updates-report.ts
@@ -46,7 +46,7 @@ allprojects {
            .unique()
         project.repositories = repos
         def deps = (buildscript.configurations + configurations)
-          .collect { it.dependencies }
+          .collect { it.dependencies + it.dependencyConstraints }
           .flatten()
           .findAll { it instanceof DefaultExternalModuleDependency || it instanceof DependencyConstraint }
           .collect { ['name':it.name, 'group':it.group, 'version':it.version] }