diff --git a/Dockerfile b/Dockerfile
index a025b04..a9987d9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM python:3.9-alpine
 
-ARG STACOSYS_VERSION=2.1
+ARG STACOSYS_VERSION=3.0
 ARG STACOSYS_FILENAME=stacosys-${STACOSYS_VERSION}-py3-none-any.whl
 
 RUN apk update && apk add bash && apk add wget