diff --git a/ChangeLog.d/linux-aarch64-hwcap.txt b/ChangeLog.d/linux-aarch64-hwcap.txt
new file mode 100644
index 0000000000..23af87824d
--- /dev/null
+++ b/ChangeLog.d/linux-aarch64-hwcap.txt
@@ -0,0 +1,4 @@
+Bugfix
+   * On Linux on ARMv8, fix a build error with SHA-256 and SHA-512
+     acceleration detection when the libc headers do not define the
+     corresponding constant. Reported by valord577.