diff --git a/var/spack/repos/builtin/packages/py-torchvision/package.py b/var/spack/repos/builtin/packages/py-torchvision/package.py
index 9d4c3a0efaf..2105ec19880 100644
--- a/var/spack/repos/builtin/packages/py-torchvision/package.py
+++ b/var/spack/repos/builtin/packages/py-torchvision/package.py
@@ -42,3 +42,5 @@ class PyTorchvision(PythonPackage):
     # Many of the datasets require additional dependencies to use.
     # These can be installed after the fact.
     depends_on('py-scipy', type='test')
+
+    depends_on('ffmpeg@3.1:', when='@0.4.2:')