diff --git a/deploy-unstable.sh b/deploy-unstable.sh
index 9b232b84..22aaf147 100644
--- a/deploy-unstable.sh
+++ b/deploy-unstable.sh
@@ -1,6 +1,10 @@
 #!/bin/sh
 DOCUMENT_ROOT=/var/www/html
 
+# Sign sources
+echo "Signing all sources..."
+bash ./sign-all-sources.sh
+
 # Build content
 echo "Building content..."
 ./gradlew --stacktrace assembleUnstableRelease