diff --git a/requirements.txt b/requirements.txt
index 0fd3845c..76420509 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ Cython==3.1.3
 frozenlist==1.7.0
 fsspec==2025.7.0
 h5py==3.14.0
-idna==3.10
+idna==3.15
 importlib_resources==6.5.2
 isodate==0.7.2
 jmespath==1.0.1