diff --git a/package/debian/icalendar-timeseries-server/DEBIAN/postinst b/package/debian/icalendar-timeseries-server/DEBIAN/postinst
index b7586de..be22d72 100755
--- a/package/debian/icalendar-timeseries-server/DEBIAN/postinst
+++ b/package/debian/icalendar-timeseries-server/DEBIAN/postinst
@@ -17,4 +17,9 @@ if [[ "$1" == "configure" ]]; then
 
     systemctl daemon-reload || true
 
+    if [[ "$2" != "" ]]; then
+        # Restart after upgrading the package
+        systemctl restart icalendar-timeseries-server.service
+    fi
+
 fi