diff --git a/dream.sh b/dream.sh
index 94972e5..65664f9 100644
--- a/dream.sh
+++ b/dream.sh
@@ -353,13 +353,13 @@ _setup() {
   alpine)
     pkg-install() {
       pkger=apk
-      apk add "${@:-$1}"
+      $_sudo apk add "${@:-$1}"
     }
 
     # CAUTION:
     pkg-remove() {
       pkger=apk
-      apk remove "${@:-$1}"
+      $_sudo apk remove "${@:-$1}"
     }
     ;;
   esac