diff --git a/spec.json b/spec.json
index c736d57..8cf2ff3 100644
--- a/spec.json
+++ b/spec.json
@@ -37,7 +37,11 @@
     "eip140Transition": "0x0",
     "eip211Transition": "0x0",
     "eip214Transition": "0x0",
-    "eip658Transition": "0x0"
+    "eip658Transition": "0x0",
+    "eip145Transition": 6464300,
+    "eip1014Transition": 6464300,
+    "eip1052Transition": 6464300,
+    "eip1283Transition": 6464300
   },
   "genesis": {
     "seal": {