diff --git a/.gitmodules b/.gitmodules
index 241c169c47..986a4ca0cf 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -6,3 +6,6 @@
 	path = tests/evm-benchmarks
 	url = https://github.com/ipsilon/evm-benchmarks
 	shallow = true
+[submodule "tests/testdata"]
+	path = tests/testdata
+	url = https://github.com/ethereum/tests.git
diff --git a/tests/testdata b/tests/testdata
new file mode 160000
index 0000000000..58754cbc46
--- /dev/null
+++ b/tests/testdata
@@ -0,0 +1 @@
+Subproject commit 58754cbc46a1e029032c1c23212ea9b5c97199d9