diff --git a/ethereum/referencetests/src/reference-test/external-resources b/ethereum/referencetests/src/reference-test/external-resources
index 661356317ac..428f218d7d6 160000
--- a/ethereum/referencetests/src/reference-test/external-resources
+++ b/ethereum/referencetests/src/reference-test/external-resources
@@ -1 +1 @@
-Subproject commit 661356317ac6df52208d54187e692472a25a01f8
+Subproject commit 428f218d7d6f4a52544e12684afbfe6e2882ffbf