diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 5c5c7f2..4e73a81
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 # Core dependencies
 requests>=2.31.0
-httpx>=0.24.0
+httpx>=0.28.1
 pydantic>=2.0.0
 typing-extensions>=4.5.0