diff --git a/Dockerfile b/Dockerfile
index 9ab8781..758ce2d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,10 @@
-FROM ubuntu:latest
+FROM python:3
 
 RUN apt update -y && apt install -y make
 RUN apt install -y git
 RUN apt install -y gcc
 RUN gcc --version
 RUN apt install -y build-essential
-RUN apt install -y python
 RUN python --version
 RUN git clone https://github.com/usnistgov/SCTK.git
 WORKDIR SCTK