diff --git a/.circleci/config.yml b/.circleci/config.yml
index fbe76d594..39592f121 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -735,6 +735,7 @@ jobs:
       - image: buildpack-deps:latest
     environment:
       TERM: xterm
+    parallelism: 3
     steps:
       - checkout
       - attach_workspace:
diff --git a/test/externalTests/solc-js/solc-js.sh b/test/externalTests/solc-js/solc-js.sh
index 907061f5c..d68535e2e 100755
--- a/test/externalTests/solc-js/solc-js.sh
+++ b/test/externalTests/solc-js/solc-js.sh
@@ -27,7 +27,16 @@ VERSION="$2"
 
 function install_fn { echo "Nothing to install."; }
 function compile_fn { echo "Nothing to compile."; }
-function test_fn { npm test; }
+function test_fn
+{
+  if [ "$CIRCLECI" ]
+  then
+    # This does not run the linter.
+    npx tape $(circleci tests glob "./test/*.js" | grep -v "test/index.js" | circleci tests split --split-by=timings)
+  else
+    npm test
+  fi
+}
 
 function solcjs_test
 {