diff --git a/pyproject.toml b/pyproject.toml
index 93375a3..41cd64e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ dependencies = [
     "pydantic>=2.0",
     "pydantic-settings>=2.0",
     "PyYAML>=6.0,<7",
-    "httpx>=0.27",
+    "httpx>=0.28.1",
     "keyring>=24",
     # PEP 440 comparison is required before Desktop enables a Flow capability.
     # Hand-parsing would accept pre-release builds such as 1.26.0rc1 as 1.26.0.