diff --git a/CHANGELOG.md b/CHANGELOG.md
index 867bef681920..70ac40d112e4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [1.1.0-alpha] - Unreleased
 ### Added
--
+- Throttling policy for unauthenticated users (<https://github.com/opencv/cvat/pull/1531>)
 
 ### Changed
 -
diff --git a/cvat/settings/base.py b/cvat/settings/base.py
index 29c6fe8502a3..9155f2b38c68 100644
--- a/cvat/settings/base.py
+++ b/cvat/settings/base.py
@@ -148,6 +148,12 @@ def generate_ssh_keys():
 
     # Disable default handling of the 'format' query parameter by REST framework
     'URL_FORMAT_OVERRIDE': 'scheme',
+    'DEFAULT_THROTTLE_CLASSES': [
+        'rest_framework.throttling.AnonRateThrottle',
+    ],
+    'DEFAULT_THROTTLE_RATES': {
+        'anon': '100/hour',
+    },
 }
 
 REST_AUTH_REGISTER_SERIALIZERS = {