diff --git a/requirements/edx-sandbox/base.txt b/requirements/edx-sandbox/base.txt
index d801f46c8e..d5f05083c8 100644
--- a/requirements/edx-sandbox/base.txt
+++ b/requirements/edx-sandbox/base.txt
@@ -1 +1,3 @@
 numpy==1.6.2
+networkx==1.7
+sympy==0.7.1
\ No newline at end of file