diff --git a/src/main/protobuf/failure_details.proto b/src/main/protobuf/failure_details.proto
index 698c222..c688e9f 100644
--- a/src/main/protobuf/failure_details.proto
+++ b/src/main/protobuf/failure_details.proto
@@ -1040,6 +1040,7 @@
     INCORRECT_TOOLCHAIN = 6 [(metadata) = { exit_code: 1 }];
     FRAGMENT_CLASS_MISSING = 7 [(metadata) = { exit_code: 1 }];
     reserved 8, 9; // For internal use
+    CANT_BUILD_INCOMPATIBLE_TARGET = 10 [(metadata) = { exit_code: 1 }];
   }
 
   Code code = 1;
@@ -1135,6 +1136,7 @@
     INVALID_EXECUTION_PLATFORM = 16 [(metadata) = { exit_code: 1 }];
     ASPECT_CREATION_FAILED = 17 [(metadata) = { exit_code: 1 }];
     CONFIGURED_VALUE_CREATION_FAILED = 18 [(metadata) = { exit_code: 1 }];
+    INCOMPATIBLE_TARGET_REQUESTED = 19 [(metadata) = { exit_code: 1 }];
   }
 
   Code code = 1;