diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 296f70df8da37eaaaca9c8313eb89e876ab422cf..37c656a0da6d58abc02fa8bff842b736978114c3 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,17 @@ This document contains the ``fslpy`` release history in reverse chronological
 order.
 
 
+3.18.3 (Friday 3rd May 2024)
+----------------------------
+
+
+Fixed
+^^^^^
+
+
+* Fixed an issue with :mod:``fsl.wrappers`` functions not finding output files
+  when ``$FSLOUTPUTTYPE`` is set to something other than ``NIFTI_GZ`` (!452).
+
 
 3.18.2 (Wednesday 3rd April 2024)
 ---------------------------------