diff --git a/Dockerfile b/Dockerfile
index 719899d0..62d88b7a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM project8/p8compute_dependencies:v0.4.0 as morpho_common
+FROM project8/p8compute_dependencies:v0.7.0 as morpho_common
 
 ENV MORPHO_TAG=v2.3.3
 ENV MORPHO_BUILD_PREFIX=/usr/local/p8/morpho/$MORPHO_TAG
@@ -35,3 +35,5 @@ RUN source $MORPHO_BUILD_PREFIX/setup.sh &&\
 FROM morpho_common
 
 COPY --from=morpho_done $MORPHO_BUILD_PREFIX $MORPHO_BUILD_PREFIX
+
+RUN yum groupinstall -y 'Development Tools'
diff --git a/setup.py b/setup.py
index b973853b..869ee0c3 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@
 requirements = []
 extras_require = {
     'core': ['uproot>=2.8.13', 'colorlog', 'PyYAML>=3.13', 'pyparsing>=2.1.5',
-             'pystan==2.17.1.0', 'dnspython==1.12.0',
+             'pystan==2.19.0.0', 'dnspython==1.12.0',
              'pbr==0.10.8', 'cycler==0.10.0', 'lz4', 'six', 'asteval'],
     'doc': ['sphinx', 'sphinx_rtd_theme', 'sphinxcontrib-programoutput', 'six', 'colorlog']
 }
diff --git a/tests/test.sh b/tests/test.sh
index 00eb22b1..708e16f8 100644
--- a/tests/test.sh
+++ b/tests/test.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+pip install pystan==2.19.0
+
 cd IO && python IO_test.py && cd ..
 cd misc && python misc_test.py && cd ..
 cd sampling && python sampling_test.py && cd ..
\ No newline at end of file