diff --git a/CHANGES b/CHANGES
index d1b0240f..bffc5d1a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,7 +4,16 @@ at https://github.com/ygrek/mldonkey/issues
 Changelog
 =========
 
+3.1.7-2 - 2020/07/05
+--------------------
+
+Patch release to fix build, no code changes (version in binary unchanged)
+
+* fix links to website throughout
+* fix build when num library is missing (#47)
+
 3.1.7 - 2020/06/21
+------------------
 
 * improvements to build process
 * fix build with OCaml up to 4.09.0