--- a/CMakeLists.txt	2022-07-21 15:26:27.000000000 -0400
+++ b/CMakeLists.txt	2022-07-21 15:26:18.000000000 -0400
@@ -102,6 +102,8 @@
 
 ecbuild_declare_project()
 
+find_package(MPI REQUIRED C Fortran)
+
 if (NOT Baselibs_FOUND)
   find_package(NetCDF REQUIRED C Fortran)
   add_definitions(-DHAS_NETCDF4)