diff --git a/poetry.lock b/poetry.lock
index a08f7a07..897cf0a8 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -193,13 +193,13 @@ trio = ["trio (>=0.22.0,<1.0)"]
 
 [[package]]
 name = "httpx"
-version = "0.27.2"
+version = "0.28.0"
 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-0.28.0-py3-none-any.whl", hash = "sha256:dc0b419a0cfeb6e8b34e85167c0da2671206f5095f1baa9663d23bcfd6b535fc"},
+    {file = "httpx-0.28.0.tar.gz", hash = "sha256:0858d3bab51ba7e386637f22a61d8ccddaeec5f3fe4209da3a6168dbb91573e0"},
 ]
 
 [package.dependencies]
@@ -207,7 +207,6 @@ anyio = "*"
 certifi = "*"
 httpcore = "==1.*"
 idna = "*"
-sniffio = "*"
 
 [package.extras]
 brotli = ["brotli", "brotlicffi"]
@@ -709,4 +708,4 @@ watchdog = ["watchdog (>=2.3)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "61443e0ce98d3e24a45da6f9c890699fc44fe98cd191b0eb38e6b59093e8149d"
+content-hash = "2818c9015153bc3298b26bcbfa32ed6218bc5611b1ff5fe056000599d776fa65"
diff --git a/pyproject.toml b/pyproject.toml
index afafd2fc..0741b538 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ repository = "https://github.com/ollama/ollama-python"
 
 [tool.poetry.dependencies]
 python = "^3.8"
-httpx = "^0.27.0"
+httpx = ">=0.27,<0.29"
 pydantic = "^2.9.0"
 
 [tool.poetry.group.dev.dependencies]