diff --git a/Jenkinsfile b/Jenkinsfile
index a351865..0d4cf42 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -50,6 +50,13 @@ standardMakePipeline([
         'extras;google;m2repository' \
         'extras;google;google_play_services'
     ''',
+    'hooks': [
+        'pre-release': { 
+            sh '''
+            make .mktools
+            '''
+        }
+    ],
     'credentials': [
         file(credentialsId: 'android-keystore', variable: 'ANDROID_KEYSTORE_FILE'),
         string(credentialsId: 'android-keystore-pass', variable: 'ANDROID_KEYSTORE_PASS'),