diff --git a/var/spack/repos/builtin/packages/py-contextlib2/package.py b/var/spack/repos/builtin/packages/py-contextlib2/package.py
index c4409c8497eb4aa9112f1bd75cfef74c0f54d129..7231512b35f9e92b53595e9f83b79ab35fad5fdc 100644
--- a/var/spack/repos/builtin/packages/py-contextlib2/package.py
+++ b/var/spack/repos/builtin/packages/py-contextlib2/package.py
@@ -15,6 +15,7 @@ class PyContextlib2(PythonPackage):
     url      = "https://github.com/jazzband/contextlib2/archive/v0.6.0.tar.gz"
 
     version('0.6.0', sha256='4f18e2f28bb642aae9447aacec93b1319c8ee838711553c0a2bd906753f2ad33')
+    version('0.5.5', sha256='613569263db0271f34c8484792360272a731f2185567c31c8118e9c994412170')
 
     depends_on('py-setuptools', type='build')
     depends_on('python@2.7:2.8,3.4:', type=('build', 'run'))