diff --git a/doc/changes/0.23.inc b/doc/changes/0.23.inc
index f92a0dbd99d..3d99f96240a 100644
--- a/doc/changes/0.23.inc
+++ b/doc/changes/0.23.inc
@@ -12,6 +12,13 @@
    like this (where xxxx is the pull request number):
    - description of enhancement/bugfix/API change (:gh:`xxxx` **by new contributor** |Firstname Lastname|_)
 
+.. _changes_0_23_4:
+
+Version 0.23.4
+--------------
+
+- Fix test tolerances for ARM (:gh:`9705` by `Eric Larson`_)
+
 .. _changes_0_23_3:
 
 Version 0.23.3
diff --git a/mne/_version.py b/mne/_version.py
index 4b0a9c3dc60..407e9721d7a 100644
--- a/mne/_version.py
+++ b/mne/_version.py
@@ -3,4 +3,4 @@
 #
 # License: BSD (3-clause)
 
-__version__ = '0.23.3'
+__version__ = '0.23.4'