diff --git a/Dockerfile b/Dockerfile
index 3ff2907..dd36d3d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -128,10 +128,13 @@ WORKDIR ..
 RUN XYCE_INSTALL="/opt/cad" ENABLE_MPI=1 make
 RUN cp prsim/prsim chan.py measure.py sim2vcd.py tlint/tlint spi2act/spi2act.py v2act/v2act /opt/cad/bin
 
+# install graphviz DOT
+RUN apt-get install -y graphviz
+
 # install Haystack
 RUN echo "building haystack"
 WORKDIR /toolsrc
-RUN git clone https://github.com/nbingham1/haystack.git --branch v0.1.1
+RUN git clone https://github.com/nbingham1/haystack.git --branch v0.1.2
 WORKDIR haystack
 RUN git submodule update --init --recursive
 WORKDIR lib
@@ -154,9 +157,8 @@ RUN cp hse2prs /opt/cad/bin
 
 # install prspice
 WORKDIR /toolsrc
-RUN git clone https://github.com/nbingham1/prspice.git
+RUN git clone https://github.com/nbingham1/prspice.git --branch v0.0.1
 WORKDIR prspice
-RUN git checkout xyce
 RUN make
 RUN cp prdbase prspice /opt/cad/bin