diff --git a/.all-contributorsrc b/.all-contributorsrc
index 81d14a20..2f707ac2 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -22,6 +22,21 @@
         "review",
         "talk"
       ]
+    },
+    {
+      "login": "gdalle",
+      "name": "Guillaume Dalle",
+      "avatar_url": "https://avatars.githubusercontent.com/u/22795598?v=4",
+      "profile": "https://gdalle.github.io/",
+      "contributions": [
+        "ideas",
+        "code",
+        "doc",
+        "maintenance",
+        "research",
+        "review",
+        "talk"
+      ]
     }
   ]
 }
diff --git a/README.md b/README.md
index 15da474f..b08dc825 100644
--- a/README.md
+++ b/README.md
@@ -75,6 +75,7 @@ The link <https://zenodo.org/doi/10.5281/zenodo.11314275> resolves to the latest
   <tbody>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/amontoison"><img src="https://avatars.githubusercontent.com/u/35051714?v=4?s=100" width="100px;" alt="Alexis Montoison"/><br /><sub><b>Alexis Montoison</b></sub></a><br /><a href="#ideas-amontoison" title="Ideas, Planning, & Feedback">🤔</a> <a href="#code-amontoison" title="Code">💻</a> <a href="#doc-amontoison" title="Documentation">📖</a> <a href="#maintenance-amontoison" title="Maintenance">🚧</a> <a href="#research-amontoison" title="Research">🔬</a> <a href="#review-amontoison" title="Reviewed Pull Requests">👀</a> <a href="#talk-amontoison" title="Talks">📢</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://gdalle.github.io/"><img src="https://avatars.githubusercontent.com/u/22795598?v=4?s=100" width="100px;" alt="Guillaume Dalle"/><br /><sub><b>Guillaume Dalle</b></sub></a><br /><a href="#ideas-gdalle" title="Ideas, Planning, & Feedback">🤔</a> <a href="#code-gdalle" title="Code">💻</a> <a href="#doc-gdalle" title="Documentation">📖</a> <a href="#maintenance-gdalle" title="Maintenance">🚧</a> <a href="#research-gdalle" title="Research">🔬</a> <a href="#review-gdalle" title="Reviewed Pull Requests">👀</a> <a href="#talk-gdalle" title="Talks">📢</a></td>
     </tr>
   </tbody>
 </table>