diff --git a/Makefile b/Makefile
index 3ecda02cd12..bb857b100ec 100644
--- a/Makefile
+++ b/Makefile
@@ -53,7 +53,8 @@ restart-batch-proxy:
                          | head -n 1))
 	kubectl port-forward ${BATCH_POD} 8888:5000 > batch-proxy.log 2>batch-proxy.err & echo $$! > batch-proxy.pid
 
-run-local: HAIL_CI_REMOTE_PORT = 3000 restart-all-proxies
+run-local: HAIL_CI_REMOTE_PORT = 3000
+run-local: restart-all-proxies
 	SELF_HOSTNAME=http://35.232.159.176:${HAIL_CI_REMOTE_PORT} \
 	BATCH_SERVER_URL=http://127.0.0.1:${HAIL_CI_LOCAL_BATCH_PORT} \
 	source activate hail-ci && python ci/ci.py
diff --git a/ci/ci.py b/ci/ci.py
index d586d7ad81e..9e3d26252c6 100644
--- a/ci/ci.py
+++ b/ci/ci.py
@@ -8,6 +8,7 @@
     WATCHED_TARGETS, \
     REFRESH_INTERVAL_IN_SECONDS
 from flask import Flask, request, jsonify
+from flask_cors import CORS
 from git_state import Repo, FQRef, FQSHA
 from github import open_pulls, overall_review_state, latest_sha_for_ref
 from google_storage import \
@@ -27,6 +28,7 @@
 prs = PRS({k: v for [k, v] in WATCHED_TARGETS})
 
 app = Flask(__name__)
+CORS(app)
 
 
 @app.errorhandler(BadStatus)
diff --git a/environment.yml b/environment.yml
index ef539f7f7b2..0fe103f6353 100644
--- a/environment.yml
+++ b/environment.yml
@@ -8,3 +8,4 @@ dependencies:
 - pip
 - pip:
     - google-cloud-storage
+    - flask-cors