diff --git a/poetry.lock b/poetry.lock
index 497663a..fc7235d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -345,14 +345,14 @@ trio = ["trio (>=0.22.0,<1.0)"]
 
 [[package]]
 name = "httpx"
-version = "0.27.2"
+version = "0.28.1"
 description = "The next generation HTTP client."
 optional = false
 python-versions = ">=3.8"
 groups = ["main"]
 files = [
-    {file = "httpx-0.27.2-py3-none-any.whl", hash = "sha256:7bb2708e112d8fdd7829cd4243970f0c223274051cb35ee80c03301ee29a3df0"},
-    {file = "httpx-0.27.2.tar.gz", hash = "sha256:f7c2be1d2f3c3c3160d441802406b206c2b76f5947b11115e6df10c6c65e66c2"},
+    {file = "httpx-0.28.1-py3-none-any.whl", hash = "sha256:d909fcccc110f8c7faf814ca82a9a4d816bc5a6dbfea25d6591d6985b8ba59ad"},
+    {file = "httpx-0.28.1.tar.gz", hash = "sha256:75e98c5f16b0f35b567856f597f06ff2270a374470a5c2392242528e3e3e42fc"},
 ]
 
 [package.dependencies]
@@ -360,7 +360,6 @@ anyio = "*"
 certifi = "*"
 httpcore = "==1.*"
 idna = "*"
-sniffio = "*"
 
 [package.extras]
 brotli = ["brotli ; platform_python_implementation == \"CPython\"", "brotlicffi ; platform_python_implementation != \"CPython\""]
@@ -1174,4 +1173,4 @@ test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.10"
-content-hash = "fbf39365876791c338dc61a5a5a115dc73b694a0667e12d670de0a02d2272fea"
+content-hash = "ea37103b1fc35068a6bd9959f2498acd8224fb4e849dbaf3a4c41779163bb040"
diff --git a/pyproject.toml b/pyproject.toml
index 2e7ed65..0af948a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ packages = [{include = "pypi_query_mcp"}]
 [tool.poetry.dependencies]
 python = "^3.10"
 fastmcp = "^0.2.0"
-httpx = "^0.27.0"
+httpx = "^0.28.0"
 packaging = "^24.0"
 pydantic = "^2.0.0"
 click = "^8.1.0"