diff --git a/Dockerfile b/Dockerfile
index c4acf51..4e0e9d0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 FROM docker.io/library/alpine:3.23 AS cabuilder
-RUN apk add --no-cache ca-certificates py3 py3-requests
+RUN apk add --no-cache ca-certificates python3 py3-requests
 ADD bin/fetch_letsencrypt_ca_certs.py /usr/local/bin/fetch_letsencrypt_ca_certs.py
 RUN /usr/local/bin/fetch_letsencrypt_ca_certs.py /usr/local/share/ca-certificates/
 RUN update-ca-certificates