diff --git a/requirements.txt b/requirements.txt
index cf9406a19..736697d83 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,4 +27,4 @@ git+https://github.com/mpi4py/mpi4py#egg=mpi4py
 --editable git+https://github.com/pyrometheus/pyrometheus.git@tulio/entropy#egg=pyrometheus
 --editable git+https://github.com/illinois-ceesd/logpyle.git#egg=logpyle
 --editable git+https://github.com/kaushikcfd/feinsum.git#egg=feinsum
---editable git+https://github.com/inducer/pyvisfile.git#egg=pyvisfile
+--no-build-isolation --editable git+https://github.com/inducer/pyvisfile.git#egg=pyvisfile