diff --git a/Dockerfile b/Dockerfile
index 698c8fc..e2518bb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,10 @@
-FROM python:3.11-alpine
+FROM python:3.8-alpine
 
 RUN set -eux; \
     apk add --no-cache \
         git \
         gpg \
+        alpine-sdk \
         bash \
     ;
 COPY entrypoint.sh /entrypoint.sh