diff --git a/var/spack/repos/builtin/packages/py-biopython/package.py b/var/spack/repos/builtin/packages/py-biopython/package.py
index 4fcfeaf81d..8550a161ca 100644
--- a/var/spack/repos/builtin/packages/py-biopython/package.py
+++ b/var/spack/repos/builtin/packages/py-biopython/package.py
@@ -34,6 +34,7 @@ class PyBiopython(PythonPackage):
     homepage = "http://biopython.org/wiki/Main_Page"
     url      = "http://biopython.org/DIST/biopython-1.65.tar.gz"
 
+    version('1.70', 'feff7a3e2777e43f9b13039b344e06ff')
     version('1.65', '143e7861ade85c0a8b5e2bbdd1da1f67')
 
     depends_on('py-mx', type=('build', 'run'))