diff --git a/Doxyfile b/Doxyfile
index a2164011eec..4cfaffc6966 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "The Battle for Wesnoth"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.17.14
+PROJECT_NUMBER         = 1.17.14+dev
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/changelog.md b/changelog.md
index d8b397378c3..539b3ddc67f 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,18 @@
+## Version 1.17.14+dev
+ ### Add-ons client
+ ### Add-ons server
+ ### Campaigns
+ ### Editor
+ ### Multiplayer
+ ### Lua API
+ ### Packaging
+ ### Terrain
+ ### Translations
+ ### Units
+ ### User interface
+ ### WML Engine
+ ### Miscellaneous and Bug Fixes
+
 ## Version 1.17.14
  ### Campaigns
    * Under the Burning Suns
diff --git a/data/tools/wesnoth/version.py b/data/tools/wesnoth/version.py
index 9fc608b8355..2918706bc3a 100755
--- a/data/tools/wesnoth/version.py
+++ b/data/tools/wesnoth/version.py
@@ -3,7 +3,7 @@
 major = 1
 minor = 17
 release = 14
-dev_suffix = "" # either use "+dev", "-dev", "" (empty string) or None
+dev_suffix = "+dev" # either use "+dev", "-dev", "" (empty string) or None
 
 as_string = "{}.{}.{}{}".format(major,
                                 minor,
diff --git a/src/wesconfig.h b/src/wesconfig.h
index 3d7acd1763c..a6f1ea723d7 100644
--- a/src/wesconfig.h
+++ b/src/wesconfig.h
@@ -40,11 +40,11 @@
   #undef VERSION
 #endif
 
-#define VERSION "1.17.14"
+#define VERSION "1.17.14+dev"
 
 // Used for the Windows executables' version info resource.
 #define RC_VERSION_MAJOR        1
 #define RC_VERSION_MINOR        17
-#define RC_VERSION_REVISION     14
+#define RC_VERSION_REVISION     15
 
 #endif