diff --git a/src/eth_plugin_interface.h b/src/eth_plugin_interface.h
index 48c6e67..5bf5499 100644
--- a/src/eth_plugin_interface.h
+++ b/src/eth_plugin_interface.h
@@ -13,7 +13,8 @@ typedef enum {
     ETH_PLUGIN_INTERFACE_VERSION_2 = 2,
     ETH_PLUGIN_INTERFACE_VERSION_3 = 3,
     ETH_PLUGIN_INTERFACE_VERSION_4 = 4,
-    ETH_PLUGIN_INTERFACE_VERSION_LATEST = 5,
+    ETH_PLUGIN_INTERFACE_VERSION_5 = 5,
+    ETH_PLUGIN_INTERFACE_VERSION_LATEST = 6
 } eth_plugin_interface_version_t;
 
 typedef enum {