diff --git a/src/blocks/checkpoints.dat b/src/blocks/checkpoints.dat
index 473149254..e3947bf41 100644
Binary files a/src/blocks/checkpoints.dat and b/src/blocks/checkpoints.dat differ
diff --git a/src/checkpoints/checkpoints.cpp b/src/checkpoints/checkpoints.cpp
index 37760ddad..d752be83f 100644
--- a/src/checkpoints/checkpoints.cpp
+++ b/src/checkpoints/checkpoints.cpp
@@ -238,6 +238,7 @@ namespace cryptonote
     ADD_CHECKPOINT2(509900,  "59520faa272fc68e0426c827a38b21cdc1df8f5a37c5fdcbbe00350fece5f3ae", "0x11dc780bd1b580");
     ADD_CHECKPOINT2(514000,  "1569e712750f19e57aee3f73cc3091a0eea392740bd396ad3570bc96e0e6ffb5", "0x11fff58abe0a82"); //Hard fork to v20
     ADD_CHECKPOINT2(516700,  "0443c47c5a4e344c3f68a491a3b2f6b78a769cdf9076249c93f187ececf9cc7c", "0x12128a532a59a6");
+    ADD_CHECKPOINT2(522000,  "8c15ae514063bf05e7662ab33b86a4131aa89df0784ce3da7876c5339bc1de3d", "0x123d9c604a7be6");
     return true;
   }
 
diff --git a/src/checkpoints/checkpoints.dat b/src/checkpoints/checkpoints.dat
deleted file mode 100644
index 473149254..000000000
Binary files a/src/checkpoints/checkpoints.dat and /dev/null differ
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index 89b885520..ee75017e0 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -5702,7 +5702,7 @@ void Blockchain::cancel()
 }
 
 #if defined(PER_BLOCK_CHECKPOINT)
-static const char expected_block_hashes_hash[] = "65b6c778f8e39068016cb1d01ae1236de24f73e74c5f4de5b259714b435374ea";
+static const char expected_block_hashes_hash[] = "ba330ed9cd10aabcbfd4a501d5271caecc56999fe4b2863d6c99f871b7282014";
 void Blockchain::load_compiled_in_block_hashes(const GetCheckpointsCallback& get_checkpoints)
 {
   if (get_checkpoints == nullptr || !m_fast_sync)