diff --git a/README b/README
index 5ae41e9a647490b0330aa62f1ef14aeb5155f1d8..2cc77b1cb4fa3e0b6d5fdad09821afc6eedd8484 100644
--- a/README
+++ b/README
@@ -29,8 +29,8 @@ AUTHOR
 
 VERSION
 
-    0.2.9
+    0.3.0
 
 LAST UPDATED
 
-    Wednesday, April 10th, 2018
+    Wednesday, April 18th, 2018
diff --git a/definition-files/us/ucsd/sdsc/comet/keras/keras-tensorflow-cpu.def b/definition-files/us/ucsd/sdsc/comet/keras/keras-tensorflow-cpu.def
index ee9823ad17e3d2f3ed827d30bb6fbca9dc338271..e511bf1473e25dae00b0c2d5720ae26a51c7bf39 100644
--- a/definition-files/us/ucsd/sdsc/comet/keras/keras-tensorflow-cpu.def
+++ b/definition-files/us/ucsd/sdsc/comet/keras/keras-tensorflow-cpu.def
@@ -12,7 +12,7 @@ OSVersion: xenial
     SYSTEM_NAME comet
     SYSTEM_SINGULARITY_VERSION 2.3.2
     SYSTEM_URL http://www.sdsc.edu/support/user_guides/comet.html
-    LAST_UPDATED 20180404
+    LAST_UPDATED 20180418
 
 %setup
 
@@ -203,6 +203,10 @@ OSVersion: xenial
     apt-get -y install libopencv-dev
     apt-get -y install python-opencv
 
+    # Install common python packages for the biological and biomedical sciences
+    apt-get -y install python-biopython
+    apt-get -y install python-biopython-sql
+
     # Install common python3 packages for data science and machine learning applications
     apt-get -y install python3-scipy
     apt-get -y install python3-pandas
@@ -214,15 +218,20 @@ OSVersion: xenial
     apt-get -y install python3-sklearn
     apt-get -y install python3-nltk
 
+    # Install common python3 packages for the biological and biomedical sciences
+    apt-get -y install python3-biopython
+    apt-get -y install python3-biopython-sql
+
     # Install Keras dependencies for python(2) and python3
     apt-get -y install python-yaml
     apt-get -y install python3-yaml
+
+    cd /opt
  
     # Download, build, and install Keras
-    cd /opt
     wget https://github.com/keras-team/keras/archive/2.1.5.tar.gz
     tar -xzvf 2.1.5.tar.gz
-    cd keras-2.1.5
+    cd /opt/keras-2.1.5
     python setup.py install
     python3 setup.py install
 
diff --git a/definition-files/us/ucsd/sdsc/comet/keras/keras-tensorflow-gpu.def b/definition-files/us/ucsd/sdsc/comet/keras/keras-tensorflow-gpu.def
index 94800983aeaf2e2c14cbbc611afbf63dbf5428ab..ed9e9235fe7c31001f1ce7183af24a849cad10a3 100644
--- a/definition-files/us/ucsd/sdsc/comet/keras/keras-tensorflow-gpu.def
+++ b/definition-files/us/ucsd/sdsc/comet/keras/keras-tensorflow-gpu.def
@@ -12,7 +12,7 @@ OSVersion: xenial
     SYSTEM_NAME comet
     SYSTEM_SINGULARITY_VERSION 2.3.2
     SYSTEM_URL http://www.sdsc.edu/support/user_guides/comet.html
-    LAST_UPDATED 20180405
+    LAST_UPDATED 20180418
 
 %setup
 
@@ -382,6 +382,10 @@ OSVersion: xenial
     apt-get -y install libopencv-dev
     apt-get -y install python-opencv
 
+    # Install common python packages for the biological and biomedical sciences
+    apt-get -y install python-biopython
+    apt-get -y install python-biopython-sql
+
     # Install common python3 packages for data science and machine learning applications
     apt-get -y install python3-scipy
     apt-get -y install python3-pandas
@@ -393,12 +397,17 @@ OSVersion: xenial
     apt-get -y install python3-sklearn
     apt-get -y install python3-nltk
 
+    # Install common python3 packages for the biological and biomedical sciences
+    apt-get -y install python3-biopython
+    apt-get -y install python3-biopython-sql
+
     # Install Keras dependencies for python(2) and python3
     apt-get -y install python-yaml
     apt-get -y install python3-yaml
 
-    # Download, build, and install Keras
     cd /opt
+
+    # Download, build, and install Keras
     wget https://github.com/keras-team/keras/archive/2.1.5.tar.gz
     tar -xzvf 2.1.5.tar.gz
     cd /opt/keras-2.1.5