diff --git a/requirements.txt b/requirements.txt
index dcb2d78..57746de 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ frozenlist==1.4.0
 h11==0.14.0
 httpcore==1.0.2
 httpx==0.25.1
-idna==3.4
+idna==3.5
 iso8601==2.1.0
 Jinja2==3.1.2
 kopf==1.36.2