diff --git a/ChangeLog b/ChangeLog
index 723e98e261dba66dfbe4a80081242af07274e203..671f3afcb4a2f5758f95ed7a3bde5417fb18ccba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2018-01-24  Jay Foad  <jay.foad@gmail.com>
+
+	* Makefile.in (TARGETS): Delete dependencies on aesdata, desdata,
+	twofishdata, shadata and gcmdata. They are not needed for a normal
+	build.
+	(clean-here): Explicitly delete of above files.
+	(desdata.stamp): New stamp target, to avoid building desdata twice
+	in a parallell build.
+
 2018-01-23  Niels Möller  <nisse@lysator.liu.se>
 
 	* configure.ac (asm_path): Recognize "x86", in addition to "i?86",