diff --git a/ChangeLog b/ChangeLog
index 1924aa7..cb19893 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2022-02-11 Lauren Coombe <lcoombe@bcgsc.ca>
+
+    * Release version 1.2.3
+    * Add arcs-make, makeTSVfile.py to 'bin' folder
+    * Add `-I` option to minimap2 for arcs-long target to avoid
+    splitting index if genome size large
+      * Set to 50G by default, can be changed using `minimap2_index_size`
+    * Update documentation
+    * Bugfixes
+
 2021-05-28 Lauren Coombe <lcoombe@bcgsc.ca>
 
     * Release version 1.2.2
diff --git a/bin/arcs-make b/bin/arcs-make
index 7ef1d81..339b2cc 100755
--- a/bin/arcs-make
+++ b/bin/arcs-make
@@ -172,7 +172,7 @@ clean:
 	@echo "Clean Done"
 
 version:
-	@echo "arcs-make v1.2.2"
+	@echo "arcs-make v1.2.3"
 
 #Preprocessing
 
diff --git a/configure.ac b/configure.ac
index 8108690..94a1bdf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.59)
-AC_INIT(arcs, 1.2.2, rwarren@bcgsc.ca)
+AC_INIT(arcs, 1.2.3, rwarren@bcgsc.ca)
 AM_INIT_AUTOMAKE([foreign subdir-objects])
 AC_CONFIG_SRCDIR([Arcs/Arcs.cpp])
 AC_CONFIG_HEADER([config.h])
diff --git a/setup.py b/setup.py
index f1886fd..4a4ac04 100755
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="arcs",
-    version="1.2.2",
+    version="1.2.3",
     description="Scaffolding genome sequence assemblies using linked or long read sequencing data",
     long_description=long_description,
     long_description_content_type="text/markdown",