diff --git a/build.sh b/build.sh
index b5fff73..64f764b 100755
--- a/build.sh
+++ b/build.sh
@@ -19,7 +19,7 @@ build() {
         cp "$pkg"{,.sig} /repo/
         repo-add -R -s /repo/nyyu.db.tar.zst /repo/"$pkg"
       done
-      pacman -Sy
+      sudo pacman -Sy
     fi
   fi
 }