diff --git a/modules/core/dependency/python-ihm/ChangeLog.rst b/modules/core/dependency/python-ihm/ChangeLog.rst
index bc7d8719b8..72025e96b1 100644
--- a/modules/core/dependency/python-ihm/ChangeLog.rst
+++ b/modules/core/dependency/python-ihm/ChangeLog.rst
@@ -1,3 +1,16 @@
+1.4 - 2024-08-30
+================
+  - :class:`ihm.metadata.CIFParser` now extracts metadata from mmCIF starting
+    models from Model Archive or compliant with the ModelCIF dictionary.
+  - :meth:`ihm.Citation.from_pubmed_id` now takes an ``is_primary`` argument,
+    to allow denoting the publication as the most pertinent for the modeling.
+  - Duplicate references, pseudo sites, and features are now pruned on
+    output (#148).
+  - :class:`ihm.restraint.ResidueFeature` now reports an error if it is
+    given zero residue ranges (#147).
+  - Bugfix: allow for :class:`ihm.startmodel.Template` ``seq_id_range``
+    or ``template_seq_id_range`` to be empty.
+
 1.3 - 2024-07-16
 ================
   - The new class :class:`ihm.location.ProteomeXchangeLocation` can be used
diff --git a/modules/core/dependency/python-ihm/MANIFEST.in b/modules/core/dependency/python-ihm/MANIFEST.in
index 4249e44b93..8b529ee103 100644
--- a/modules/core/dependency/python-ihm/MANIFEST.in
+++ b/modules/core/dependency/python-ihm/MANIFEST.in
@@ -4,4 +4,4 @@ include examples/*
 include util/make-mmcif.py
 include src/ihm_format.h
 include src/ihm_format.i
-include src/ihm_format_wrap_1.3.c
+include src/ihm_format_wrap_1.4.c
diff --git a/modules/core/dependency/python-ihm/ihm/__init__.py b/modules/core/dependency/python-ihm/ihm/__init__.py
index fcb00d687c..98b3c566c6 100644
--- a/modules/core/dependency/python-ihm/ihm/__init__.py
+++ b/modules/core/dependency/python-ihm/ihm/__init__.py
@@ -20,7 +20,7 @@
 import json
 from . import util
 
-__version__ = '1.3'
+__version__ = '1.4'
 
 
 class __UnknownValue(object):
diff --git a/modules/core/dependency/python-ihm/setup.py b/modules/core/dependency/python-ihm/setup.py
index b32e82becc..a1af3383b6 100755
--- a/modules/core/dependency/python-ihm/setup.py
+++ b/modules/core/dependency/python-ihm/setup.py
@@ -7,7 +7,7 @@
 import sys
 import os
 
-VERSION = "1.3"
+VERSION = "1.4"
 
 copy_args = sys.argv[1:]
 
diff --git a/modules/core/dependency/python-ihm/util/debian/changelog b/modules/core/dependency/python-ihm/util/debian/changelog
index e89fc6deea..3e706680a7 100644
--- a/modules/core/dependency/python-ihm/util/debian/changelog
+++ b/modules/core/dependency/python-ihm/util/debian/changelog
@@ -1,3 +1,9 @@
+python-ihm (1.4-1~@CODENAME@) @CODENAME@; urgency=low
+
+  * python-ihm 1.4 release
+
+ -- Ben Webb <ben@salilab.org>  Fri, 30 Aug 2024 15:27:15 -0700
+
 python-ihm (1.3-1~@CODENAME@) @CODENAME@; urgency=low
 
   * python-ihm 1.3 release
diff --git a/modules/core/dependency/python-ihm/util/python-ihm.spec b/modules/core/dependency/python-ihm/util/python-ihm.spec
index 4c116c8eb8..6c815764b2 100644
--- a/modules/core/dependency/python-ihm/util/python-ihm.spec
+++ b/modules/core/dependency/python-ihm/util/python-ihm.spec
@@ -1,7 +1,7 @@
 Name:          python3-ihm
 License:       MIT
 Group:         Applications/Engineering
-Version:       1.3
+Version:       1.4
 Release:       1%{?dist}
 Summary:       Package for handling IHM mmCIF and BinaryCIF files
 Packager:      Ben Webb <ben@salilab.org>
@@ -36,6 +36,9 @@ sed -i -e "s/install_requires=\['msgpack'\]/#/" setup.py
 %defattr(-,root,root)
 
 %changelog
+* Fri Aug 30 2024 Ben Webb <ben@salilab.org>   1.4-1
+- Update to latest upstream.
+
 * Tue Jul 16 2024 Ben Webb <ben@salilab.org>   1.3-1
 - Update to latest upstream.