diff --git a/ChangeLog b/ChangeLog
index 40b5a00..7aca2c3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2021-03-25  Tatsuya Kinoshita  <tats@debian.org>
+
+	* fuzz/fuzz-conv.c: Explicitly call GC_gcollect() in fuzzer.
+
+	* fuzz/fuzz-conv.c: Prevent memory leak in fuzzer.
+
 2021-03-23  Tatsuya Kinoshita  <tats@debian.org>
 
 	* Str.c: Reduce memory reallocation due to Strgrow.