diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index b03a8310d93dbf801fff6b80de9e6d8eb55d3ee9..db2668f21f06349bc867e5c5b4264cc2033c3010 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -3,6 +3,10 @@ Unreleased changes
 
 Version 0
 ---------
+0.15.3 / 2020-09-25
+~~~~~~~~~~~~~~~~~~~
+* Updated KM3NeT definitions to v1.2.4
+
 0.15.2 / 2020-09-23
 ~~~~~~~~~~~~~~~~~~~
 * Fixed a bug where the last bit of HRV or FIFO were incorrectly
diff --git a/km3io/definitions/fitparameters.py b/km3io/definitions/fitparameters.py
index a92ba8f36220816978d62b18313b297f67b68d1b..cc66f9d20f21befcd7e433055deda9253faacf43 100644
--- a/km3io/definitions/fitparameters.py
+++ b/km3io/definitions/fitparameters.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-KM3NeT Data Definitions v1.2.3
+KM3NeT Data Definitions v1.2.4
 https://git.km3net.de/common/km3net-dataformat
 """
 
diff --git a/km3io/definitions/reconstruction.py b/km3io/definitions/reconstruction.py
index 42c1c99a833f2af661e706c8966caf004e1a6dbc..0fe10b9f6955513ceb5685eb2f94c7ed00a2e26b 100644
--- a/km3io/definitions/reconstruction.py
+++ b/km3io/definitions/reconstruction.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-KM3NeT Data Definitions v1.2.3
+KM3NeT Data Definitions v1.2.4
 https://git.km3net.de/common/km3net-dataformat
 """
 
@@ -31,7 +31,7 @@ data = {
     "DUSJSHOWERPREFIT": 201,
     "DUSJSHOWERPOSITIONFIT": 202,
     "DUSJSHOWERCOMPLETEFIT": 203,
-    "DUSJSHOWERBEND": 299,
+    "DUSJSHOWEREND": 299,
     "AANET_RECONSTRUCTION_TYPE": 101,
     "AASHOWERBEGIN": 300,
     "AASHOWERFITPREFIT": 302,
diff --git a/km3io/definitions/trigger.py b/km3io/definitions/trigger.py
index 9dd75921e8aeccd7420a15ff901beddd7a1a6455..8f05c2b17cae7acb63c362da47a6b972843d5d74 100644
--- a/km3io/definitions/trigger.py
+++ b/km3io/definitions/trigger.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-KM3NeT Data Definitions v1.2.3
+KM3NeT Data Definitions v1.2.4
 https://git.km3net.de/common/km3net-dataformat
 """
 
diff --git a/km3io/definitions/w2list_genhen.py b/km3io/definitions/w2list_genhen.py
index 8ff43a691ab3af6b1a2992bf4603c3a02397bec5..af57538048aed64904ee50d803e30eb63ebcc547 100644
--- a/km3io/definitions/w2list_genhen.py
+++ b/km3io/definitions/w2list_genhen.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-KM3NeT Data Definitions v1.2.3
+KM3NeT Data Definitions v1.2.4
 https://git.km3net.de/common/km3net-dataformat
 """
 
diff --git a/km3io/definitions/w2list_gseagen.py b/km3io/definitions/w2list_gseagen.py
index fe60876c0208653f08e3e694e1c60669da0dad54..ea11cdfeafc2f9415239910f6cdfe6dbc68c8fb1 100644
--- a/km3io/definitions/w2list_gseagen.py
+++ b/km3io/definitions/w2list_gseagen.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-KM3NeT Data Definitions v1.2.3
+KM3NeT Data Definitions v1.2.4
 https://git.km3net.de/common/km3net-dataformat
 """