diff --git a/.circleci/config.yml b/.circleci/config.yml
index d90f42ae3..278ee492e 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,6 +1,5 @@
 version: 2.1
 
-
 commands:
   npm-install:
     steps:
@@ -18,7 +17,7 @@ commands:
       - run: echo $(python --version) > .python-version
       - restore_cache:
           key: py-deps-{{ checksum ".python-version" }}-{{ checksum "docs/requirements.txt" }}
-      - run: "if [ ! -d ./venv ]; then python -m venv ./venv; fi"
+      - run: 'if [ ! -d ./venv ]; then python -m venv ./venv; fi'
       - run: echo "source $(pwd)/venv/bin/activate" >> $BASH_ENV
       - run: pip install -r ./docs/requirements.txt
       - save_cache:
@@ -26,23 +25,28 @@ commands:
           paths:
             - ./venv
 
-
 aliases:
   - &node12
     image: circleci/node:12
 
-  - &python-docs
-    # using Python 3.6 as that's the version ReadTheDocs is running
+  - &python-docs # using Python 3.6 as that's the version ReadTheDocs is running
     image: circleci/python:3.6-node
 
   - &test-steps
     steps:
       - checkout
       - npm-install
+      - run: npm run build
       - run: npm run ci:test
 
-
 jobs:
+  build:
+    docker: [<<: *node12]
+    steps:
+      - checkout
+      - npm-install
+      - run: npm run build
+
   test-node12:
     docker: [<<: *node12]
     <<: *test-steps
@@ -60,13 +64,17 @@ jobs:
     steps:
       - checkout
       - npm-install
+      - run: npm run build
       - run: npm run e2e:apib
 
   test-e2e-openapi2:
     docker: [<<: *node12]
     steps:
       - checkout
+      - restore_cache:
+          key: build-{{ .Branch }}-{{ .Revision }}-node12
       - npm-install
+      - run: npm run build
       - run: npm run e2e:openapi2
 
   quality-checks:
@@ -93,6 +101,8 @@ jobs:
       - image: circleci/mongo:latest
     steps:
       - checkout
+      - restore_cache:
+          key: build-{{ .Branch }}-{{ .Revision }}-node12
       - npm-install
       - run: npm run ci:smoke
 
@@ -105,19 +115,19 @@ jobs:
       - npm-install
       - run: npm run ci:release
 
-
 workflows:
   version: 2
   test-and-release:
     jobs:
       - quality-checks
+      - docs-dry-run
       - test-node12
       - test-node10
       - test-node8
       - test-e2e-apib
       - test-e2e-openapi2
       - smoke-tests
-      - docs-dry-run
+
       - release:
           requires:
             - quality-checks