diff --git a/petsc.spec b/petsc.spec
index 5211d6f..72ec1db 100644
--- a/petsc.spec
+++ b/petsc.spec
@@ -284,7 +284,7 @@ BuildRequires: fftw-mpich-devel
 BuildRequires: openblas-devel, openblas-srpm-macros
 %endif
 Requires:   gcc-gfortran%{?_isa}
-Requires:   mpich%{?_isa} =  %{mpichversion}-%{release}
+Requires:   mpich%{?_isa} =  %{mpichversion}
 
 %description mpich
 PETSc, pronounced PET-see (the S is silent), is a suite of data structures