diff --git a/examples/extended/parameterisations/Par04/training_vae/requirements.txt b/examples/extended/parameterisations/Par04/training_vae/requirements.txt
index 7ad6f089efa..e16e1610190 100644
--- a/examples/extended/parameterisations/Par04/training_vae/requirements.txt
+++ b/examples/extended/parameterisations/Par04/training_vae/requirements.txt
@@ -11,5 +11,5 @@ tf2onnx==1.14.0
 onnxruntime==1.16.3
 gast==0.4.0
 lz4==3.1
-idna==3.7
+idna==3.15
 protobuf==4.25.8