diff --git a/tunnel/publish.gradle b/tunnel/publish.gradle
index 43ac52f7..60568895 100644
--- a/tunnel/publish.gradle
+++ b/tunnel/publish.gradle
@@ -73,5 +73,6 @@ android.libraryVariants.all { variant ->
 }
 
 signing {
+    useGpgCmd()
     sign publishing.publications
 }