diff --git a/.circleci/config.yml b/.circleci/config.yml
index 987955a..2b51d04 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -21,7 +21,7 @@ jobs:
   node8:
     working_directory: ~/enju
     docker:
-      - image: node:8.11.4
+      - image: node:8.12.0
     steps:
       - checkout
       - run: npm install -g coffeescript nodeunit grunt-cli
@@ -32,7 +32,7 @@ jobs:
   node10:
     working_directory: ~/enju
     docker:
-      - image: node:10.9.0
+      - image: node:10.10.0
     steps:
       - checkout
       - run: npm install -g coffeescript nodeunit grunt-cli