diff --git a/.circleci/config.yml b/.circleci/config.yml
index 94233637..466cc976 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -10,6 +10,7 @@ jobs:
       - checkout
       - run:
           command: |
+            echo "registry=https://registry.npmjs.org/" >> ~/.npmrc
             echo "@france-ioi:registry=https://npm.pkg.github.com/" >> ~/.npmrc
             echo "//npm.pkg.github.com/:_authToken=${NODE_AUTH_TOKEN}" >> ~/.npmrc
             cat ~/.npmrc
@@ -17,8 +18,10 @@ jobs:
       - run:
           command: git submodule update --init
           name: Fetch submodules
-      - node/install-packages:
-          pkg-manager: yarn
+      - run:
+          command: yarn install --frozen-lockfile
+#      - node/install-packages:
+#          pkg-manager: yarn
       - run:
           command: cp config.json.template config.json
           name: Copy config