diff --git a/hdf5 b/hdf5
index 3c42c49a02..4aa4036562 160000
--- a/hdf5
+++ b/hdf5
@@ -1 +1 @@
-Subproject commit 3c42c49a02227a4d43504d9da7cf3df5b34f98ee
+Subproject commit 4aa40365623cf35643b262781f92578220c42bbb