diff --git a/tests/core/pyspec/eth2spec/test/eip7594/unittests/test_security.py b/tests/core/pyspec/eth2spec/test/eip7594/unittests/test_security.py
index 07669dafc..dd85a673e 100644
--- a/tests/core/pyspec/eth2spec/test/eip7594/unittests/test_security.py
+++ b/tests/core/pyspec/eth2spec/test/eip7594/unittests/test_security.py
@@ -1,10 +1,12 @@
 from eth2spec.test.context import (
-    MAINNET,
     spec_test,
     single_phase,
     with_eip7594_and_later,
     with_phases,
 )
+from eth2spec.test.helpers.constants import (
+    MAINNET,
+)
 
 
 @with_eip7594_and_later