diff --git a/0003-Notify-systemd-on-sentinel-startup.patch b/0003-Notify-systemd-on-sentinel-startup.patch
new file mode 100644
index 0000000..ee58b56
--- /dev/null
+++ b/0003-Notify-systemd-on-sentinel-startup.patch
@@ -0,0 +1,24 @@
+From 16dbe5168224b9f8a2b193f014f3dbf7e9604516 Mon Sep 17 00:00:00 2001
+From: Daniel Murnane <dmurnane@eitccorp.com>
+Date: Fri, 1 May 2020 08:19:28 -0400
+Subject: [PATCH] Notify systemd on sentinel startup
+
+---
+ src/server.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/server.c b/src/server.c
+index 659604ef363..7ab7c39fd0a 100644
+--- a/src/server.c
++++ b/src/server.c
+@@ -5111,6 +5111,10 @@ int main(int argc, char **argv) {
+     } else {
+         InitServerLast();
+         sentinelIsRunning();
++        if (server.supervised_mode == SUPERVISED_SYSTEMD) {
++            redisCommunicateSystemd("STATUS=Ready to accept connections\n");
++            redisCommunicateSystemd("READY=1\n");
++        }
+     }
+ 
+     /* Warning the user about suspicious maxmemory setting. */