diff --git a/ansys/api/additive/VERSION b/ansys/api/additive/VERSION
index a6a6927..20be740 100644
--- a/ansys/api/additive/VERSION
+++ b/ansys/api/additive/VERSION
@@ -1 +1 @@
-1.7.0-dev6
\ No newline at end of file
+1.7.0-dev7
\ No newline at end of file
diff --git a/ansys/api/additive/v0/additive_domain.proto b/ansys/api/additive/v0/additive_domain.proto
index 85e9dd3..1b387ae 100644
--- a/ansys/api/additive/v0/additive_domain.proto
+++ b/ansys/api/additive/v0/additive_domain.proto
@@ -220,6 +220,8 @@ message MaterialTuningResult {
     bytes log = 1;
     bytes optimized_parameters = 2;
     bytes characteristic_width_lookup = 10;
+    bytes coefficients = 11;
+    bytes material_parameters = 12;
 }
 
 enum ThermalSolveType {