diff --git a/extra/ssu/build b/extra/ssu/build
new file mode 100755
index 00000000..264eade0
--- /dev/null
+++ b/extra/ssu/build
@@ -0,0 +1,9 @@
+#!/bin/sh -e
+
+make
+make \
+    DESTDIR="$1" \
+    PREFIX=/usr \
+    BINOWN="$(id -u)" \
+    BINGRP="$(id -g)" \
+    install
diff --git a/extra/ssu/checksums b/extra/ssu/checksums
new file mode 100644
index 00000000..3c820bf6
--- /dev/null
+++ b/extra/ssu/checksums
@@ -0,0 +1 @@
+949bcfc5bd1a9908d1c9ff754bd16d092c9dcfde36e4f5d8785eb47d5baf1cec
diff --git a/extra/ssu/post-install b/extra/ssu/post-install
new file mode 100755
index 00000000..ee2d003d
--- /dev/null
+++ b/extra/ssu/post-install
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+chown root:wheel /usr/bin/ssu
+chmod 4754       /usr/bin/ssu
diff --git a/extra/ssu/sources b/extra/ssu/sources
new file mode 100644
index 00000000..4eb057fd
--- /dev/null
+++ b/extra/ssu/sources
@@ -0,0 +1 @@
+https://github.com/illiliti/ssu/archive/refs/tags/0.3.2.tar.gz
diff --git a/extra/ssu/version b/extra/ssu/version
new file mode 100644
index 00000000..ef5b8449
--- /dev/null
+++ b/extra/ssu/version
@@ -0,0 +1 @@
+0.3.2 1