diff --git a/pyproject.toml b/pyproject.toml
index 01b2c0a..065403b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ classifiers = [
 python = ">=3.8"
 authlib = ">=1,<3"
 # As per httpx recommendation we will lock to a fixed minor version until 1.0 is released
-httpx = ">=0.25,<0.27"
+httpx = ">=0.25,<0.28"
 pydantic = "^2.4.2"
 orjson = { version = "~3", optional = true }
 ipython = { version = "~8", optional = true, python = "^3.8" }