diff --git a/requirements.txt b/requirements.txt
index 73c702d22..4c58e7c30 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 islpy
+mpi4py
 numpy
 pytest
 pytest-cov
@@ -8,8 +9,6 @@ psutil
 pyyaml
 git+https://github.com/pythological/kanren.git#egg=miniKanren
 
-git+https://github.com/mpi4py/mpi4py#egg=mpi4py
-
 # The following packages will be git cloned by emirge:
 --editable git+https://github.com/inducer/pymbolic.git#egg=pymbolic
 #--editable git+https://github.com/inducer/pyopencl.git#egg=pyopencl
diff --git a/setup.py b/setup.py
index 99dda9b64..e539c0e78 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@ def main():
           python_requires="~=3.8",
 
           install_requires=[
-              "mpi4py>=3",
+              "mpi4py>=4",
               "pymetis",
               "pytest>=2.3",
               "pytools>=2018.5.2",