diff --git a/Changelog.txt b/Changelog.txt
index c35a703..1f2ca10 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -94,3 +94,6 @@ Version 0.9:
 - Cleaned up code a bit
 - Updates torches (less lags)
 - Items get removed after 30 minutes
+
+Version 0.9.1
+- Fix possible crash by wrong values for light calculation
diff --git a/README.txt b/README.txt
index 731d164..ed7dec5 100644
--- a/README.txt
+++ b/README.txt
@@ -1,6 +1,6 @@
 Minetest+ [minetest_plus]
 =========
-Version 0.9
+Version 0.9.1
 
 About this game
 ---------------