diff --git a/config/src/main/resources/dev.json b/config/src/main/resources/dev.json
index 16a36d7fcc..0239cff435 100644
--- a/config/src/main/resources/dev.json
+++ b/config/src/main/resources/dev.json
@@ -7,6 +7,7 @@
     "eip155Block": 0,
     "eip158Block": 0,
     "byzantiumBlock": 0,
+    "constantinopleBlock": 0,
     "ethash": {
     }
   },