diff --git a/hpcrequirements.txt b/hpcrequirements.txt
index b239e78..bb6ae7a 100644
--- a/hpcrequirements.txt
+++ b/hpcrequirements.txt
@@ -2,7 +2,7 @@ numpy>=1.19.5
 numpy-indexed==0.3.5
 scipy==1.5.4
 Cython==0.29.22
-mpi4py==3.0.0
+mpi4py==3.1.6
 petsc4py==3.11.0
 h5py==2.9.0
 pandas==1.0.3