diff --git a/requirements-test.txt b/requirements-test.txt
index 265f763..395e95b 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -16,7 +16,7 @@ hpack==4.0.0 ; python_version >= "3.11" and python_version < "4.0"
 httpcore==0.16.3 ; python_version >= "3.11" and python_version < "4.0"
 httpx==0.23.3 ; python_version >= "3.11" and python_version < "4.0"
 hyperframe==6.0.1 ; python_version >= "3.11" and python_version < "4.0"
-idna==3.8 ; python_version >= "3.11" and python_version < "4.0"
+idna==3.15 ; python_version >= "3.11" and python_version < "4.0"
 ijson==3.3.0 ; python_version >= "3.11" and python_version < "4.0"
 iniconfig==2.0.0 ; python_version >= "3.11" and python_version < "4.0"
 multidict==6.0.5 ; python_version >= "3.11" and python_version < "4.0"