diff --git a/debian/changelog b/debian/changelog
index d1b869935..4385437aa 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+stratagus (3.1.3) UNRELEASED; urgency=medium
+
+  * Fix mana IncreaseFrequency increasing with each update, which slowed down mana regeneration
+  * Fix setting RegenerationRate and RegenerationFrequency per unit using SetUnitVariable
+
+ -- Tim Felgentreff <timfelgentreff@gmail.com>  Sat, 17 Jul 2021 21:31:09 +0200
+
 stratagus (3.1.2) focal; urgency=medium
 
   * Fix builds with experimental C++-17 filesystem