diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## [v0.4.9.0, aka 'Player escapes'](https://github.com/LambdaHack/LambdaHack/compare/v0.2.14...v0.4.9.0)
+## [v0.4.99.0, aka 'Player escapes'](https://github.com/LambdaHack/LambdaHack/compare/v0.2.14...v0.4.99.0)
 
 - balance the example game content a bit (campaign still unbalanced)
 - various code and documentation tweaks and fixes
diff --git a/LambdaHack.cabal b/LambdaHack.cabal
--- a/LambdaHack.cabal
+++ b/LambdaHack.cabal
@@ -4,8 +4,8 @@
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary: +-+------- breaking API changes
 --              | | +----- non-breaking API additions
---              | | | +--- code changes with no API change
-version:        0.4.9.0
+--              | | |  +--- code changes with no API change
+version:        0.4.99.0
 synopsis:       A game engine library for roguelike dungeon crawlers
 description:   LambdaHack is a game engine library for roguelike games
                of arbitrary theme, size and complexity,