diff --git a/src/consensus/consensus.h b/src/consensus/consensus.h
index 650635a76..1df5b7f34 100644
--- a/src/consensus/consensus.h
+++ b/src/consensus/consensus.h
@@ -10,9 +10,9 @@
 #include <stdint.h>
 
 /** The maximum allowed size for a serialized block, in bytes (only for buffer size limits) */
-static const unsigned int MAX_BLOCK_SERIALIZED_SIZE = 4000000;
+static const unsigned int MAX_BLOCK_SERIALIZED_SIZE = 6000000;
 /** The maximum allowed weight for a block, see BIP 141 (network rule) */
-static const unsigned int MAX_BLOCK_WEIGHT = 4000000;
+static const unsigned int MAX_BLOCK_WEIGHT = 6000000;
 /** The maximum allowed number of signature check operations in a block (network rule) */
 static const int64_t MAX_BLOCK_SIGOPS_COST = 80000;
 /** Coinbase transaction outputs can only be spent after this number of new blocks (network rule) */