diff --git a/o/OpenMPI/OpenMPI-4.0.5-NVHPC-21.2-CUDA-11.3.0.eb b/o/OpenMPI/OpenMPI-4.0.5-NVHPC-21.2-CUDA-11.3.0.eb
index c3e8018d..83165d75 100644
--- a/o/OpenMPI/OpenMPI-4.0.5-NVHPC-21.2-CUDA-11.3.0.eb
+++ b/o/OpenMPI/OpenMPI-4.0.5-NVHPC-21.2-CUDA-11.3.0.eb
@@ -12,6 +12,7 @@ toolchain = {'name': 'NVHPC', 'version': '21.2'}
 
 source_urls = ['https://www.open-mpi.org/software/ompi/v%(version_major_minor)s/downloads']
 sources = [SOURCELOWER_TAR_GZ]
+checksums = ['572e777441fd47d7f06f1b8a166e7f44b8ea01b8b2e79d1e299d509725d1bd05']
 
 dependencies = [
     ('UCX', '1.9.0', '-CUDA-11.3.0'),