diff --git a/Dockerfile b/Dockerfile
index 1093415..3c83ccc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,4 +3,5 @@ RUN mkdir code
 WORKDIR /code
 RUN apk update && apk upgrade  && apk add --no-cache gcc make libressl-dev \
     openssl openssl-dev python3-dev g++ bash sudo musl-dev libffi-dev && pip install -U pip
+RUN pip install --upgrade pip
 RUN pip install poetry