diff --git a/web/conceptnet_web/api.py b/web/conceptnet_web/api.py
index 33921056..ac03f1ac 100644
--- a/web/conceptnet_web/api.py
+++ b/web/conceptnet_web/api.py
@@ -6,6 +6,7 @@
 import flask
 from flask_cors import CORS
 from flask_limiter import Limiter
+from flask_limiter.util import get_remote_address
 
 from conceptnet5 import api as responses
 from conceptnet5.api import VALID_KEYS, error
@@ -37,7 +38,8 @@ def app_path(path):
 for filter_name, filter_func in FILTERS.items():
     app.jinja_env.filters[filter_name] = filter_func
 app.jinja_env.add_extension('jinja2_highlight.HighlightExtension')
-limiter = Limiter(app, global_limits=["600 per minute", "6000 per hour"])
+limiter = Limiter(app, key_func=get_remote_address,
+                  global_limits=["600 per minute", "6000 per hour"])
 CORS(app)
 try_configuring_sentry(app)
 application = app  # for uWSGI
diff --git a/web/setup.py b/web/setup.py
index 0cdd38aa..d402c984 100644
--- a/web/setup.py
+++ b/web/setup.py
@@ -23,7 +23,7 @@
     include_package_data=True,
     install_requires=[
         'conceptnet >= %s' % version_str,
-        'limits', 'flask >= 0.12.3', 'flask-cors', 'flask-limiter',
+        'limits', 'flask >= 2.0.2', 'flask-cors >=3.0.10', 'flask-limiter == 2.0.2',
         'langcodes >= 2.1', 'jinja2-highlight', 'pygments', 'raven[flask] >= 6.6'
     ],
     license = 'Apache License 2.0',