diff --git a/project.yaml b/project.yaml
index 0aadb83..b941ab8 100644
--- a/project.yaml
+++ b/project.yaml
@@ -1,8 +1,4 @@
-version: '3.0'
-
-# Ignore this`expectation` block. It is required but not used, and will be removed in future versions.
-expectations:
-  population_size: 1000
+version: '4.0'
 
 actions:
   generate_dataset: