--- a/src/libs/blueprint/conduit_blueprint_mpi_mesh_parmetis.cpp	2022-01-13 12:48:31.000000000 -0800
+++ b/src/libs/blueprint/conduit_blueprint_mpi_mesh_parmetis.cpp	2022-01-26 14:18:32.274814000 -0800
@@ -22,6 +22,7 @@
 
 #include <parmetis.h>
 
+#include <algorithm>
 #include <unordered_map>
 
 //-----------------------------------------------------------------------------