diff --git a/payload_consumer/payload_constants.cc b/payload_consumer/payload_constants.cc
index 9338d29..e679316 100644
--- a/payload_consumer/payload_constants.cc
+++ b/payload_consumer/payload_constants.cc
@@ -25,7 +25,8 @@
 const uint32_t kInPlaceMinorPayloadVersion = 1;
 const uint32_t kSourceMinorPayloadVersion = 2;
 const uint32_t kOpSrcHashMinorPayloadVersion = 3;
-const uint32_t kPuffdiffMinorPayloadVersion = 4;
+const uint32_t kBrotliBsdiffMinorPayloadVersion = 4;
+const uint32_t kPuffdiffMinorPayloadVersion = 5;
 
 const uint64_t kMaxPayloadHeaderSize = 24;
 
diff --git a/payload_consumer/payload_constants.h b/payload_consumer/payload_constants.h
index b3bd5e7..ac3e882 100644
--- a/payload_consumer/payload_constants.h
+++ b/payload_consumer/payload_constants.h
@@ -43,6 +43,9 @@
 // The minor version that allows per-operation source hash.
 extern const uint32_t kOpSrcHashMinorPayloadVersion;
 
+// The minor version that allows BROTLI_BSDIFF, ZERO and DISCARD operation.
+extern const uint32_t kBrotliBsdiffMinorPayloadVersion;
+
 // The minor version that allows PUFFDIFF operation.
 extern const uint32_t kPuffdiffMinorPayloadVersion;