diff --git a/lists/disposable-email/Earthfile b/lists/disposable-email/Earthfile
index 0f51440..78196c3 100644
--- a/lists/disposable-email/Earthfile
+++ b/lists/disposable-email/Earthfile
@@ -1,4 +1,5 @@
 VERSION 0.7
+FROM alpine:3.18.4
 
 export:
     COPY list.json ./