diff --git a/extra/openssh/build b/extra/openssh/build
index cdd68702..363f6c94 100755
--- a/extra/openssh/build
+++ b/extra/openssh/build
@@ -1,5 +1,8 @@
 #!/bin/sh -e
 
+# Don't use 'sys/cdefs.h' from system.
+sed -i'' -e '/sys\/cdefs.h/d' configure
+
 ./configure \
     --prefix=/usr \
     --datadir=/usr/share/openssh \
diff --git a/extra/openssh/version b/extra/openssh/version
index efb8cafa..e4e53e77 100644
--- a/extra/openssh/version
+++ b/extra/openssh/version
@@ -1 +1 @@
-8.0p1 2
+8.0p1 3