diff --git a/data/bots/_deny-pathological.yaml b/data/bots/_deny-pathological.yaml
index 09d4bfc..ba64a04 100644
--- a/data/bots/_deny-pathological.yaml
+++ b/data/bots/_deny-pathological.yaml
@@ -1,3 +1,4 @@
 - import: (data)/bots/cloudflare-workers.yaml
 - import: (data)/bots/headless-browsers.yaml
-- import: (data)/bots/us-ai-scraper.yaml
\ No newline at end of file
+- import: (data)/bots/us-ai-scraper.yaml
+- import: (data)/bots/custom-async-http-client.yaml
diff --git a/data/bots/custom-async-http-client.yaml b/data/bots/custom-async-http-client.yaml
new file mode 100644
index 0000000..d42d2d8
--- /dev/null
+++ b/data/bots/custom-async-http-client.yaml
@@ -0,0 +1,5 @@
+- name: "custom-async-http-client"
+  user_agent_regex: "Custom-AsyncHttpClient"
+  action: WEIGH
+  weight:
+    adjust: 10
diff --git a/docs/docs/CHANGELOG.md b/docs/docs/CHANGELOG.md
index 5970c61..633f9eb 100644
--- a/docs/docs/CHANGELOG.md
+++ b/docs/docs/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 <!-- This changes the project to: -->
 
 - The [Thoth client](https://anubis.techaro.lol/docs/admin/thoth) is now public in the repo instead of being an internal package.
+- [Custom-AsyncHttpClient](https://github.com/AsyncHttpClient/async-http-client)'s default User-Agent has an increased weight by default ([#852](https://github.com/TecharoHQ/anubis/issues/852)).
 - The [`segments`](./admin/configuration/expressions.mdx#segments) function was added for splitting a path into its slash-separated segments.
 
 ## v1.21.3: Minfilia Warde - Echo 3