diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2cf453c..7c35167 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## Changes in version 1.5 (Wed, 19 Apr 2023)
+
+Trivial release:
+
+- add IBM 3590 B/E format to tape densities table (Chris Dinneen).
+
+Thanks!
+
 ## Changes in version 1.4 (Sun, 30 Aug 2020)
 
 Small bugfixes and improvements release:
diff --git a/Makefile b/Makefile
index fcb706e..cc4adce 100644
--- a/Makefile
+++ b/Makefile
@@ -28,7 +28,7 @@ DISTFILES = \
 	.dir-locals.el \
 	.clang-format
 
-VERSION=1.4
+VERSION=1.5
 RELEASEDIR=mt-st-$(VERSION)
 TARFILE=mt-st-$(VERSION).tar.gz