diff --git a/src/pytest_plugins/consume/hive_simulators/ruleset.py b/src/pytest_plugins/consume/hive_simulators/ruleset.py
index c0c3eada0b3..d9f25f616ee 100644
--- a/src/pytest_plugins/consume/hive_simulators/ruleset.py
+++ b/src/pytest_plugins/consume/hive_simulators/ruleset.py
@@ -339,6 +339,7 @@
         "HIVE_PRAGUE_TIMESTAMP": 0,
         "HIVE_PRAGUE_BLOB_TARGET": 6,
         "HIVE_PRAGUE_BLOB_MAX": 9,
+        "HIVE_PRAGUE_BLOB_BASE_FEE_UPDATE_FRACTION": 5007716,
     },
     "CancunToPragueAtTime15k": {
         "HIVE_FORK_HOMESTEAD": 0,
@@ -357,5 +358,6 @@
         "HIVE_PRAGUE_TIMESTAMP": 15000,
         "HIVE_PRAGUE_BLOB_TARGET": 6,
         "HIVE_PRAGUE_BLOB_MAX": 9,
+        "HIVE_PRAGUE_BLOB_BASE_FEE_UPDATE_FRACTION": 5007716,
     },
 }