diff --git a/poetry.lock b/poetry.lock
index a1dc8ff0..c834873f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -608,13 +608,13 @@ 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"
 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]
@@ -623,7 +623,6 @@ certifi = "*"
 h2 = {version = ">=3,<5", optional = true, markers = "extra == \"http2\""}
 httpcore = "==1.*"
 idna = "*"
-sniffio = "*"
 
 [package.extras]
 brotli = ["brotli", "brotlicffi"]
@@ -1459,4 +1458,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "c12e7679b0faa67df768d7e5fc6dba8979c607c729e14eba49d21ec693c8e2c3"
+content-hash = "4b21cb9605820a11e63db64cde528a633972f762697345a93af2354a07593d8d"
diff --git a/pyproject.toml b/pyproject.toml
index 2e2c6889..06c271c7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "^3.9"
-httpx = {version = ">=0.26,<0.28", extras = ["http2"]}
+httpx = {version = ">=0.26,<0.29", extras = ["http2"]}
 pydantic = ">=1.10,<3"
 
 [tool.poetry.dev-dependencies]