diff --git a/docker_images.txt b/docker_images.txt
index acae99a..65c9796 100644
--- a/docker_images.txt
+++ b/docker_images.txt
@@ -629,6 +629,8 @@ snowmass21software/delphes-osg:*
 
 # Zwicky Transient Facility
 michaelwcoughlin/ztfperiodic:latest
+# NGSF supernova spectral classification
+michaelwcoughlin/ngsf:latest
 # NMMA/fiesta light-curve fitting
 michaelwcoughlin/fiesta:latest
 michaelwcoughlin/fiesta-gpu:latest