diff --git a/requirements.txt b/requirements.txt
index 62400c6c..57e1922f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,8 @@
 # Python HTTP helpers leveraged by tools like api-fuzzer, dnslog, http-intruder, http-framework-test
 requests>=2.32.3
+httpx>=0.27.0
+charset-normalizer>=3.3.2
+chardet>=5.2.0
 
 # dirsearch：用 python3 -m dirsearch 时由本依赖提供（含 defusedxml 等）
 dirsearch>=0.4.3