diff --git a/configure.ac b/configure.ac
index 60df05cf3e..ce161d92ef 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,7 +8,7 @@ dnl    "shared/nm-version-macros.h.in"
 dnl  - update number in meson.build
 m4_define([nm_major_version], [1])
 m4_define([nm_minor_version], [12])
-m4_define([nm_micro_version], [2])
+m4_define([nm_micro_version], [3])
 m4_define([nm_version],
           [nm_major_version.nm_minor_version.nm_micro_version])
 
diff --git a/meson.build b/meson.build
index 0fb21e2bc7..68ecb0ecd8 100644
--- a/meson.build
+++ b/meson.build
@@ -4,7 +4,7 @@ project(
 #  - add corresponding NM_VERSION_x_y_z macros in
 #    "shared/nm-version-macros.h.in"
 #  - update number in configure.ac
-  version: '1.12.2',
+  version: '1.12.3',
   license: 'GPL2+',
   default_options: [
     'buildtype=debugoptimized',
diff --git a/shared/nm-version-macros.h.in b/shared/nm-version-macros.h.in
index 0d8fa87af4..792070acc5 100644
--- a/shared/nm-version-macros.h.in
+++ b/shared/nm-version-macros.h.in
@@ -74,6 +74,7 @@
 #define NM_VERSION_1_10   (NM_ENCODE_VERSION (1, 10, 0))
 #define NM_VERSION_1_12   (NM_ENCODE_VERSION (1, 12, 0))
 #define NM_VERSION_1_12_2 (NM_ENCODE_VERSION (1, 12, 2))
+#define NM_VERSION_1_12_4 (NM_ENCODE_VERSION (1, 12, 4))
 
 /* For releases, NM_API_VERSION is equal to NM_VERSION.
  *