diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index 28dcb2db0e..1a6b0e866b 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -2462,7 +2462,8 @@ (define-public python-astroquery
            python-pyvo
            python-requests))
     (native-inputs
-     (list python-astropy-healpix
+     (list nss-certs-for-test
+           python-astropy-healpix
            python-matplotlib
            ;; python-mocpy : Not packed yet, optional
            python-pytest-astropy