diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 8fd00649..dc847ae1 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,8 @@
+5.2.4
+-----
+
+* Added support for h5py 3.*.
+
 5.2.3
 -----
 
diff --git a/iris/__init__.py b/iris/__init__.py
index 6fc74d65..9d268e5e 100644
--- a/iris/__init__.py
+++ b/iris/__init__.py
@@ -2,7 +2,7 @@
 __author__ = "Laurent P. René de Cotret"
 __email__ = "laurent.renedecotret@mail.mcgill.ca"
 __license__ = "GPLv3"
-__version__ = "5.2.3"
+__version__ = "5.2.4"
 
 from .raw import AbstractRawDataset, check_raw_bounds, open_raw
 from .dataset import DiffractionDataset, PowderDiffractionDataset