diff --git a/OutdatedLibisoburnReleases.md b/OutdatedLibisoburnReleases.md
index 410e86a..f7e6d4e 100644
--- a/OutdatedLibisoburnReleases.md
+++ b/OutdatedLibisoburnReleases.md
@@ -3,6 +3,37 @@
 The current release is at [releases page](Releases).
 --------------------------------------------------------------------------------
 
+### Outdated [libisoburn-1.5.4.tar.gz](http://files.libburnia-project.org/releases/libisoburn-1.5.4.tar.gz) Sat Jan 30 2021 [git tag](https://dev.lovelyhq.com/libburnia/libisoburn/src/tag/release-1.5.4) | [wiki](Libisoburn) | Signature: [libisoburn-1.5.4.tar.gz.sig](http://files.libburnia-project.org/releases/libisoburn-1.5.4.tar.gz.sig)
+
+libisoburn and xorriso novelties:
+
+* Bug fix: -report_system_area as_mkisofs misrepresented GPT with appended
+           partition and forced boot flag as -part_like_isohybrid
+* Bug fix: Boot catalog could get a wrong name if cat_path= is explicitely
+           given but not containing a slash character
+* New helper script xorriso-dd-target
+* New command -truncate_overwritable
+* Switched to usage of libjte-2.0.0
+* New -jigdo parameters "checksum_algorithm", "demand_checksum",
+  "-checksum-list"
+* New -as mkisofs options "-jigdo-checksum-algorithm", "-checksum-list",
+  "-jigdo-force-checksum"
+* New -read_speed prefixes "soft_force:" and "soft_corr:"
+* New -check_media option data_to="-" for standard output
+* New -zisofs parameters version_2=, block_size_v2=, max_bpt=, max_bpt_f=,
+  bpt_target=, bpt_free_ratio=, by_magic=v2, susp_z2=
+* New -as mkisofs options --zisofs-version-2, --zisofs2-susp-z2,
+  --zisofs2-susp-zf
+* Enabled recognition of zisofs by magic without zlib support
+* New -osirrox option sparse= controls extraction into sparse files
+* New libisoburn extension options isoburn_ropt_map_joliet_stripped and
+  isoburn_ropt_map_joliet_unmapped
+* New command -joliet_map
+* New command -extract_boot_images
+* New API call isoburn_ropt_get_tree_loaded()
+
+--------------------------------------------------------------------------------
+
 ### Outdated [libisoburn-1.5.2.tar.gz](http://files.libburnia-project.org/releases/libisoburn-1.5.2.tar.gz) Sat Oct 26 2019 [git tag](https://dev.lovelyhq.com/libburnia/libisoburn/src/tag/release-1.5.2) | [wiki](Libisoburn) | Signature: [libisoburn-1.5.2.tar.gz.sig](http://files.libburnia-project.org/releases/libisoburn-1.5.2.tar.gz.sig)
 
 libisoburn and xorriso novelties: