diff --git a/Doxyfile b/Doxyfile
index f0d4710ac543..ec6bed41c72b 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -31,7 +31,7 @@ PROJECT_NAME           = "The Battle for Wesnoth"
 # This could be handy for archiving the generated documentation or 
 # if some version control system is used.
 
-PROJECT_NUMBER         = 1.12.4
+PROJECT_NUMBER         = 1.12.4+dev
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) 
 # base path where the generated documentation will be put. 
diff --git a/changelog b/changelog
index 3f7224adf75b..8db872e610ae 100644
--- a/changelog
+++ b/changelog
@@ -1,3 +1,7 @@
+Version 1.12.4+dev:
+ * Language and i18n:
+   * Updated translations:
+
 Version 1.12.4:
  * Security fixes:
    * Disallowed WML inclusion of .pbl files with a non-lowercase extension too
diff --git a/players_changelog b/players_changelog
index ca1497a09b8e..3062ffdc60f4 100644
--- a/players_changelog
+++ b/players_changelog
@@ -2,6 +2,11 @@ This is meant to be a concise list of player-visible changes (very minor
 changes may be omitted). For a complete list of changes, see the main
 changelog: https://github.com/wesnoth/wesnoth/blob/1.12/changelog
 
+Version 1.12.4+dev:
+ * Language and i18n:
+   * Updated translations:
+
+
 Version 1.12.4:
  * Security fixes:
    * Disallowed WML inclusion of .pbl files with a non-lowercase extension too
diff --git a/src/wesconfig.h b/src/wesconfig.h
index d03fd236b97f..322dd3d775e2 100644
--- a/src/wesconfig.h
+++ b/src/wesconfig.h
@@ -23,7 +23,7 @@
 #ifdef VERSION
   #undef VERSION
 #endif
-#define VERSION "1.12.4"
+#define VERSION "1.12.4+dev"
 #ifndef PACKAGE
 #define PACKAGE "wesnoth"
 #endif