diff --git a/Dockerfile b/Dockerfile
index ade1591..c21c79d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,6 +5,7 @@ RUN apt install -y git
 RUN apt install -y gcc
 RUN gcc --version
 RUN apt install -y build-essential
+RUN apt install python3-pip
 RUN pip install matplotlib
 RUN git clone https://github.com/usnistgov/SCTK.git
 WORKDIR SCTK