diff --git a/lib/manager/gradle/gradle-updates-report.ts b/lib/manager/gradle/gradle-updates-report.ts
index b8a45786173aa529c9a9c2d4f5535f94dee86d51..a663fbe9ce46c995713af32988e83fd3b44832bd 100644
--- a/lib/manager/gradle/gradle-updates-report.ts
+++ b/lib/manager/gradle/gradle-updates-report.ts
@@ -46,7 +46,7 @@ allprojects {
            .findAll { !it.startsWith('file:') }
            .unique()
         project.repositories = repos
-        def deps = (buildscript.configurations + configurations)
+        def deps = (buildscript.configurations + configurations + settings.buildscript.configurations)
           .collect { it.dependencies + it.dependencyConstraints }
           .flatten()
           .findAll { it instanceof DefaultExternalModuleDependency || it instanceof DependencyConstraint }