The alloc change didn't make it into 1.5.1. Re-releasing
-## 1.5.1 - 2021-02-18
+## 1.5.2 - 2021-02-18
* With `libmaxminddb` on Windows and `mmdblookup` generally, there were
instances where the return value of `calloc` was not checked, which could
lead to issues in low memory situations or when resource limits had been
set. Reported by cve-reporting. GitHub #252.
+
+## 1.5.1 - 2021-02-18
+
* The formatting of the manpages has been improved and the script that
generates them now supports `lowdown` in addition to `pandoc`. Pull request
by Faidon Liambotis. GitHub #248.
