diff --git a/.circleci/config.yml b/.circleci/config.yml
index 3a2bae4..25ca31a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -75,10 +75,6 @@ jobs:
       - checkout
       - setup_npm
       - run: npm run build
-      - run:
-          name: Run geckodriver
-          command: geckodriver
-          background: true
       - run: npm run test:e2e
 
 workflows:
diff --git a/package-lock.json b/package-lock.json
index 369a570..ef9bf22 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5500,7 +5500,7 @@
       }
     },
     "lanthan": {
-      "version": "git+https://github.com/ueokande/lanthan.git#0c9e7690aa6822853e902611c88f7c1586bbe9d7",
+      "version": "git+https://github.com/ueokande/lanthan.git#d7f92eb4c1c6eee3f747b4a76bdf39062b4cb58f",
       "from": "git+https://github.com/ueokande/lanthan.git#master",
       "dev": true,
       "requires": {