diff --git a/src/platforms/common/configuration/options.mdx b/src/platforms/common/configuration/options.mdx
index 4ac07ec7197336..a87c0d3c1ca03d 100644
--- a/src/platforms/common/configuration/options.mdx
+++ b/src/platforms/common/configuration/options.mdx
@@ -612,6 +612,12 @@ Configures a separate proxy for outgoing HTTPS requests. This value might not be
 
 </ConfigKey>
 
+<ConfigKey name="proxy-headers" supported={["python"]}>
+
+A dict containing additional proxy headers (usually for authentication) to be forwarded to `urllib3`'s [`ProxyManager`](https://urllib3.readthedocs.io/en/1.24.3/reference/index.html#urllib3.poolmanager.ProxyManager).
+
+</ConfigKey>
+
 <ConfigKey name="cache-directory-path" supported={["dotnet", "android", "unity"]}>
 
 Specifies a local directory used for caching payloads. When this option is enabled (that is, when the directory is set), the Sentry SDK will persist envelopes locally before sending to Sentry. This configuration option is particularly useful if you expect your application to run in environments where internet connectivity is limited.