diff --git a/nano/lib/config.hpp b/nano/lib/config.hpp
index 7b1e1d241b..c67095967b 100644
--- a/nano/lib/config.hpp
+++ b/nano/lib/config.hpp
@@ -356,12 +356,12 @@ class network_constants
 	static nano::networks active_network;
 
 	/** Current protocol version */
-	uint8_t const protocol_version = 0x14;
+	uint8_t const protocol_version = 0x15;
 	/** Minimum accepted protocol version */
-	uint8_t const protocol_version_min = 0x12;
+	uint8_t const protocol_version_min = 0x14;
 
 	/** Minimum accepted protocol version used when bootstrapping */
-	uint8_t const bootstrap_protocol_version_min = 0x13;
+	uint8_t const bootstrap_protocol_version_min = 0x14;
 };
 
 std::string get_node_toml_config_path (std::filesystem::path const & data_path);