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