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diff --git a/gama.changes b/gama.changes
index 5ccccf7..34505ca 100644
--- a/gama.changes
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@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Wed Jul 13 04:15:32 UTC 2022 - Andreas Stieger <andreas.stieger@gmx.de>
+
+- GNU Gama 2.21:
+  * New algorithm ICGS in the class AdjGSO replaced the former
+    algorithm MGS.
+
 -------------------------------------------------------------------
 Fri Apr 29 05:39:28 UTC 2022 - Andreas Stieger <andreas.stieger@gmx.de>
 
diff --git a/gama.spec b/gama.spec
index bc79647..819b280 100644
--- a/gama.spec
+++ b/gama.spec
@@ -17,7 +17,7 @@
 
 
 Name:           gama
-Version:        2.19
+Version:        2.21
 Release:        0
 Summary:        Adjustment of geodetic networks
 License:        GPL-3.0-or-later