diff --git a/taskcluster/ci/toolchain/android.yml b/taskcluster/ci/toolchain/android.yml
index 2643d97245..a9377b3c1a 100644
--- a/taskcluster/ci/toolchain/android.yml
+++ b/taskcluster/ci/toolchain/android.yml
@@ -41,6 +41,7 @@ linux64-android-gradle-dependencies:
         script: android-gradle-dependencies.sh
         sparse-profile: null
         resources:
+            - build.gradle
             - taskcluster/scripts/toolchain/android-gradle-dependencies.sh
             - taskcluster/scripts/toolchain/android-gradle-dependencies/**
             - buildSrc/src/main/java/Dependencies.kt