diff --git a/setup.cfg b/setup.cfg
index 3d372a6..f93b928 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -32,7 +32,7 @@ install_requires =
     matplotlib!=3.7.2,<3.11.0
     astropy<=7.1.1
     scipy<=1.16.2
-    h5py<=3.14.0
+    h5py<=3.15.0
     Pillow<=11.3.0
 include_package_data = True