diff --git a/Dockerfile b/Dockerfile
index b5f43e8..3793e62 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ ARG DEBIAN_FRONTEND=noninteractive
 RUN apt-get -y update && \
     apt-get -y upgrade && \
     apt-get install -y python3.8 python3-pip
-
+ENV PYTHON_VERSION=3.8
 
 RUN apt-get install -y locales git vim nano