1 files changed, 6 insertions, 0 deletions
diff --git a/CHANGES b/CHANGES
index 256518720428..759b2a7bbaff 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,6 +2,12 @@
  OpenSSL CHANGES
  _______________
 
+ Changes between 1.0.1n and 1.0.1o [12 Jun 2015]
+
+  *) Fix HMAC ABI incompatibility. The previous version introduced an ABI
+     incompatibility in the handling of HMAC. The previous ABI has now been
+     restored.
+
  Changes between 1.0.1m and 1.0.1n [11 Jun 2015]
 
   *) Malformed ECParameters causes infinite loop