diff --git a/pyproject.toml b/pyproject.toml
index 2a67806..045d4f6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ classifiers = [
   "Programming Language :: Python :: Implementation :: PyPy",
 ]
 dependencies = [
-  "attrs>=22.2.0",
+  "attrs>=26.1.0",
   "httpx>=0.23.0,<1.0.0",
   "urllib3>=1.25.3,<3.0.0",
   "python-dateutil>=2.8.2",