diff --git a/etc/standalone_conda_requirements.txt b/etc/standalone_conda_requirements.txt
index eff80ba9..c74455b6 100644
--- a/etc/standalone_conda_requirements.txt
+++ b/etc/standalone_conda_requirements.txt
@@ -8,3 +8,4 @@ batoid-rubin
 sncosmo
 palpy
 rubin-sim
+healpy>=1.17.3