diff --git a/Dockerfile b/Dockerfile
index d7b8b1314a8304d2f8473851eb2a26e08dff49b5..4b142f78056bd21cc516c071c3efd6108ab1f510 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,9 @@
 # Docker Image for running csg-eb tests
 
-FROM python:3.8.6
+FROM python:3.8.7
 
-MAINTAINER Mark Meredith <mark.meredith@netl.doe.gov>
+LABEL maintainer="Mark Meredith <mark.meredith@netl.doe.gov>"
 
-RUN wget https://bootstrap.pypa.io/get-pip.py
-RUN python3 get-pip.py
-RUN python3 -m pip install cmake conan ninja
+RUN pip install cmake==3.18.4 conan==1.32.1 ninja==1.10.0.post2
 
 CMD [ "/bin/bash" ]