diff --git a/.all-contributorsrc b/.all-contributorsrc
index f5e9722..3e9fe20 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -69,6 +69,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "bhorowitz",
+      "name": "Ben Horowitz",
+      "avatar_url": "https://avatars.githubusercontent.com/u/6059772?v=4",
+      "profile": "https://bhorowitz.github.io/",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,
diff --git a/README.md b/README.md
index de1310c..3add81b 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # jax-cosmo
 
 [![Join the chat at https://gitter.im/DifferentiableUniverseInitiative/jax_cosmo](https://badges.gitter.im/DifferentiableUniverseInitiative/jax_cosmo.svg)](https://gitter.im/DifferentiableUniverseInitiative/jax_cosmo?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![Documentation Status](https://readthedocs.org/projects/jax-cosmo/badge/?version=latest)](https://jax-cosmo.readthedocs.io/en/latest/?badge=latest) [![CI Test](https://github.com/DifferentiableUniverseInitiative/jax_cosmo/workflows/Python%20package/badge.svg)]() [![black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black) [![PyPI](https://img.shields.io/pypi/v/jax-cosmo)](https://pypi.org/project/jax-cosmo/) [![PyPI - License](https://img.shields.io/pypi/l/jax-cosmo)](https://github.com/google/jax-cosmo/blob/master/LICENSE)  <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-7-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-8-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 <h3 align="center">Finally a differentiable cosmology library, and it's in JAX!</h3>
@@ -98,6 +98,9 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://aboucaud.github.io"><img src="https://avatars0.githubusercontent.com/u/3065310?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Alexandre Boucaud</b></sub></a><br /><a href="https://github.com/DifferentiableUniverseInitiative/jax_cosmo/commits?author=aboucaud" title="Code">💻</a></td>
     <td align="center"><a href="https://www.cosmostat.org/people/denise-lanzieri"><img src="https://avatars.githubusercontent.com/u/72620117?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Denise Lanzieri</b></sub></a><br /><a href="https://github.com/DifferentiableUniverseInitiative/jax_cosmo/commits?author=dlanzieri" title="Code">💻</a></td>
   </tr>
+  <tr>
+    <td align="center"><a href="https://bhorowitz.github.io/"><img src="https://avatars.githubusercontent.com/u/6059772?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ben Horowitz</b></sub></a><br /><a href="https://github.com/DifferentiableUniverseInitiative/jax_cosmo/commits?author=bhorowitz" title="Code">💻</a></td>
+  </tr>
 </table>
 
 <!-- markdownlint-restore -->