diff --git a/poetry/Dockerfile b/poetry/Dockerfile
index edc9c3d9..1b078a11 100644
--- a/poetry/Dockerfile
+++ b/poetry/Dockerfile
@@ -1,10 +1,12 @@
-FROM python:3.8-alpine
+FROM python:3.9-alpine
+
+ENV version=1.1.4
 
 RUN apk add --no-cache --virtual .build build-base libffi-dev openssl-dev && \
     pip install --upgrade pip && \
-    pip install setuptools poetry==1.0.9 && \
+    pip install setuptools poetry==$version && \
     apk del .build
 
-LABEL name=poetry version=dev \
+LABEL name=poetry version=$version \
     maintainer="Jaroslav Sevcik <jaroslav.sevcik@kiwi.com>"