diff --git a/txpipe-dev/Dockerfile b/txpipe-dev/Dockerfile
index d5e5d41..ab94c1a 100644
--- a/txpipe-dev/Dockerfile
+++ b/txpipe-dev/Dockerfile
@@ -29,7 +29,7 @@ ENV RAIL_TAG_FOR_DEPENDENCIES=v1.0.0
 # follow the RAIL instructions. Instead we put the RAIL deps into the conda-extras.yml
 RUN git clone --branch ${TX_TAG_FOR_DEPENDENCIES}  https://github.com/LSSTDESC/TXPipe \
     && cd TXPipe \
-    && sed 's/mpich=.*/mpich='${TX_MPI_VERSION}'=external_*/' environment-nopip.yml | sed 's/h5py=3.1.\*/h5py=*/' > environment-nopip2.yml \
+    && sed 's/mpich=.*/mpich='${TX_MPI_VERSION}'=external_*/' environment-nopip.yml | sed 's/h5py=3.1.*/h5py=*/' > environment-nopip2.yml \
     && echo cat environment-nopip2.yml \
     && cat environment-nopip2.yml \
     && echo cat ../conda-extras.yml \