diff --git a/.travis.yml b/.travis.yml
index bc85047..a5f544a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -38,7 +38,7 @@ before_install:
   - sudo apt-get -y remove --purge postgis
   - sudo apt-get -y autoremove
 
-  - sudo apt-get -y install postgresql-9.5=9.5.2-2ubuntu1
+  - sudo apt-get -y install postgresql-9.5=9.5.2-3cdb1
   - sudo apt-get -y install postgresql-server-dev-9.5=9.5.2-2ubuntu1
   - sudo apt-get -y install postgresql-plpython-9.5=9.5.2-2ubuntu1
   - sudo apt-get -y install postgresql-9.5-postgis-scripts=2.2.2.0-cdb2
diff --git a/release/python/0.4.2/crankshaft/requirements.txt b/release/python/0.4.2/crankshaft/requirements.txt
new file mode 100644
index 0000000..3f50cd7
--- /dev/null
+++ b/release/python/0.4.2/crankshaft/requirements.txt
@@ -0,0 +1,5 @@
+joblib==0.8.3
+numpy==1.6.1
+scipy==0.14.0
+pysal==1.11.2
+scikit-learn==0.14.1
diff --git a/src/py/crankshaft/requirements.txt b/src/py/crankshaft/requirements.txt
new file mode 100644
index 0000000..3f50cd7
--- /dev/null
+++ b/src/py/crankshaft/requirements.txt
@@ -0,0 +1,5 @@
+joblib==0.8.3
+numpy==1.6.1
+scipy==0.14.0
+pysal==1.11.2
+scikit-learn==0.14.1