diff --git a/Dockerfile b/Dockerfile
index 1346cded..f6041b7b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,16 +2,25 @@ FROM quay.io/centos/centos:stream8
 
 # Update the system and install necessary tools.
 RUN dnf -y update && \
-    dnf -y install wget bzip2 unzip git mesa-dri-drivers
+    dnf -y install wget bzip2 unzip git mesa-dri-drivers python3 python3-pip
+
+# Install Numpy
+RUN pip3 install numpy
 
 # Install the newest version of KLayout
-RUN wget https://www.klayout.org/downloads/CentOS_8/klayout-0.28.12-0.x86_64.rpm -O ~/klayout.rpm && \
+RUN wget https://www.klayout.org/downloads/CentOS_8/klayout-0.28.13-0.x86_64.rpm -O ~/klayout.rpm && \
     dnf -y localinstall ~/klayout.rpm && \
     rm ~/klayout.rpm
 
+# Clone SiEPIC-Tools and SiEPIC_EBeam_PDK.
+RUN mkdir -p /root/.klayout/salt && \
+    cd /root/.klayout/salt && \
+    git clone https://github.com/SiEPIC/SiEPIC-Tools.git && \
+    git clone https://github.com/SiEPIC/SiEPIC_EBeam_PDK.git
+
 # Set the working directory
 WORKDIR /home
 
 # Set PATH
-ENV PATH="/usr/local/bin:${PATH}"
+ENV PATH="/usr/local/bin:${PATH}:/usr/local/bin/python3:/root/.local/bin"
 ENV QT_QPA_PLATFORM=minimal