diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5238633..88ed3c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.13
+
+* *SECURITY* Fix buffer overflow issue in SHA384, copying 16 extra bytes from
+  the SHA512 context to the destination memory pointer leading to memory
+  corruption, segfault. (Mikael Bung)
+
 ## 0.12
 
 * Fix compilation issue with Ed448 on 32 bits machine.