diff --git a/.circleci/config.yml b/.circleci/config.yml
index 922f8764494..5702257b17b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: mbgl/ci:r1-linux-gl-js
+      - image: mbgl/ci:r4-linux-gl-js
     working_directory: ~/mapbox-gl-js
     steps:
       - checkout
diff --git a/.circleci/test.sh b/.circleci/test.sh
index 5e4d1164af2..c559e695f49 100755
--- a/.circleci/test.sh
+++ b/.circleci/test.sh
@@ -26,7 +26,7 @@ yarn run test-flow
 xvfb-run --server-args="-screen 0 1024x768x24" npm run test-cov
 
 # send coverage report to coveralls
-nyc report --reporter=lcov
+# nyc report --reporter=lcov
 # this code works around a Coveralls / CircleCI bug triggered by tagged builds
 if [ -z "$CIRCLE_TAG" ]; then
     (node ./node_modules/coveralls/bin/coveralls.js < ./coverage/lcov.info) || true