diff --git a/.circleci/config.yml b/.circleci/config.yml
index 1f5cadfa..7aa72976 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -14,10 +14,10 @@ jobs:
 
       - restore_cache:
           keys:
-            - venv-npm-5-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "browser-extension/package.json" }}
-            - venv-npm-5-{{ .Branch }}-{{ checksum "requirements.txt" }}
-            - venv-npm-5-{{ .Branch }}
-            - venv-npm-5
+            - venv-npm-6-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "browser-extension/package.json" }}
+            - venv-npm-6-{{ .Branch }}-{{ checksum "requirements.txt" }}
+            - venv-npm-6-{{ .Branch }}
+            - venv-npm-6
 
       - run:
           name: Base dependencies
@@ -63,7 +63,7 @@ jobs:
             npm run test
 
       - save_cache:
-          key: venv-npm-5-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "browser-extension/package.json" }}
+          key: venv-npm-6-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "browser-extension/package.json" }}
           paths:
             - browser-extension/node_modules
             - /home/circleci/.pyenv