diff --git a/tests/ef_tests/eth2.0-spec-tests b/tests/ef_tests/eth2.0-spec-tests
index aaa1673f5..ae6dd9011 160000
--- a/tests/ef_tests/eth2.0-spec-tests
+++ b/tests/ef_tests/eth2.0-spec-tests
@@ -1 +1 @@
-Subproject commit aaa1673f508103e11304833e0456e4149f880065
+Subproject commit ae6dd9011df05fab8c7e651c09cf9c940973bf81