diff --git a/xz.spec b/xz.spec
index c53fcff..8d79d9c 100644
--- a/xz.spec
+++ b/xz.spec
@@ -103,6 +103,7 @@ export LDFLAGS="-Wl,-z,relro,-z,now -pie"
   --enable-symbol-versions \
   --enable-sandbox=landlock \
   --enable-ifunc \
+  --enable-external-sha256 \
   --docdir=%{_docdir}/%{name} \
   --disable-shared CONFIG_SHELL=/bin/sh
 %make_build