diff --git a/README.rst b/README.rst
index d368972..d451013 100644
--- a/README.rst
+++ b/README.rst
@@ -29,8 +29,8 @@ import and configure the library with your Castle API secret.
     # For authenticate method you can set failover strategies: allow(default), deny, challenge, throw
     configuration.failover_strategy = 'deny'
 
-    # Castle::RequestError is raised when timing out in milliseconds (default: 500 milliseconds)
-    configuration.request_timeout = 1000
+    # Castle::RequestError is raised when timing out in milliseconds (default: 1000 milliseconds)
+    configuration.request_timeout = 1500
 
     # Base Castle API url
     # configuration.base_url = "https://api.castle.io/v1"
diff --git a/castle/configuration.py b/castle/configuration.py
index 476623a..8bcd1f2 100644
--- a/castle/configuration.py
+++ b/castle/configuration.py
@@ -30,8 +30,8 @@
 # API endpoint
 BASE_URL = 'https://api.castle.io/v1'
 FAILOVER_STRATEGY = 'allow'
-# 500 milliseconds
-REQUEST_TIMEOUT = 500
+# 1000 milliseconds
+REQUEST_TIMEOUT = 1000
 # regexp of trusted proxies which is always appended to the trusted proxy list
 FAILOVER_STRATEGIES = ['allow', 'deny', 'challenge', 'throw']
 TRUSTED_PROXIES = [r"""
diff --git a/castle/test/configuration_test.py b/castle/test/configuration_test.py
index 9af0c9e..32f8415 100644
--- a/castle/test/configuration_test.py
+++ b/castle/test/configuration_test.py
@@ -13,7 +13,7 @@ def test_default_values(self):
         self.assertEqual(config.base_url.path, '/v1')
         self.assertEqual(config.allowlisted, [])
         self.assertEqual(config.denylisted, [])
-        self.assertEqual(config.request_timeout, 500)
+        self.assertEqual(config.request_timeout, 1000)
         self.assertEqual(config.failover_strategy, 'allow')
         self.assertEqual(config.ip_headers, [])
         self.assertEqual(config.trusted_proxies, [])