diff --git a/pyproject.toml b/pyproject.toml
index 1d20c21..78bc692 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dependencies = [
     "httpcore==1.0.2",
     "httpx==0.25.2",
     "hyperframe==6.0.1",
-    "idna==3.4",
+    "idna==3.6",
     "rfc3986==2.0.0",
     "sniffio==1.3.0",
 ]