uncomment sign.sh
diff --git a/tools/scripts/release.sh b/tools/scripts/release.sh
index 9f5d42f..7cc9989 100755
--- a/tools/scripts/release.sh
+++ b/tools/scripts/release.sh
@@ -22,7 +22,7 @@
 . $SCRIPTDIR/build.sh
 
 # Sign release
-# . $SCRIPTDIR/sign.sh
+. $SCRIPTDIR/sign.sh
 
 # Publish release
 . $SCRIPTDIR/publish.sh