diff --git a/tests/difficulty_test.go b/tests/difficulty_test.go
index fde9db3ad4..4bdad0ea5d 100644
--- a/tests/difficulty_test.go
+++ b/tests/difficulty_test.go
@@ -73,6 +73,9 @@ func TestDifficulty(t *testing.T) {
 	dt.config("Constantinople", params.ChainConfig{
 		ConstantinopleBlock: big.NewInt(0),
 	})
+	dt.config("EIP2384", params.ChainConfig{
+		MuirGlacierBlock: big.NewInt(0),
+	})
 	dt.config("difficulty.json", mainnetChainConfig)
 
 	dt.walk(t, difficultyTestDir, func(t *testing.T, name string, test *DifficultyTest) {
diff --git a/tests/testdata b/tests/testdata
index b5eb9900ee..7497b116a0 160000
--- a/tests/testdata
+++ b/tests/testdata
@@ -1 +1 @@
-Subproject commit b5eb9900ee2147b40d3e681fe86efa4fd693959a
+Subproject commit 7497b116a019beb26215cbea4028df068dea06be