diff --git a/protovalidate/grpc-python/start/requirements.txt b/protovalidate/grpc-python/start/requirements.txt
index f73f15f..ae18297 100644
--- a/protovalidate/grpc-python/start/requirements.txt
+++ b/protovalidate/grpc-python/start/requirements.txt
@@ -15,7 +15,7 @@ grpclib==0.4.8
 h2==4.3.0
 hpack==4.1.0
 hyperframe==6.1.0
-idna==3.10
+idna==3.15
 iniconfig==2.0.0
 jmespath==1.0.1
 lark==0.12.0