diff --git a/Dockerfile b/Dockerfile
index 5b470d4..25a1deb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
-FROM alpine:3
-RUN apk add --no-cache texlive-xetex
+FROM alpine:3.19
+RUN apk add --no-cache texlive-xetex coreutils