diff --git a/.circleci/config.yml b/.circleci/config.yml
index 23be8e223..9d08d427c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -47,6 +47,9 @@ jobs:
       - restore_cache:
           keys:
             - go-mod-v4-{{ checksum "go.sum" }}
+      - run:
+          name: Initialize Ethereum Testsuite
+          command: git submodule update --init --recursive
       - run:
           name: Run All Tests
           command: make test