diff --git a/.github/assets/sponsors/sponsor-neptune-ai.png b/.github/assets/sponsors/sponsor-neptune-ai.png
new file mode 100644
index 000000000..0158c8ebe
Binary files /dev/null and b/.github/assets/sponsors/sponsor-neptune-ai.png differ
diff --git a/README.md b/README.md
index 268e64056..5d57845b8 100644
--- a/README.md
+++ b/README.md
@@ -137,6 +137,9 @@
   <a href="https://sealvault.org/" target=_blank><img
     src="https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-sealvault.png" height="58"
   /></a>
+  <a href="https://neptune.ai/" target=_blank><img
+    src="https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-neptune-ai.png" height="58"
+  /></a>
 </p>
 <p>&nbsp;</p>
 
diff --git a/docs/insiders/index.md b/docs/insiders/index.md
index e79613695..07746aee2 100644
--- a/docs/insiders/index.md
+++ b/docs/insiders/index.md
@@ -183,6 +183,7 @@ You can cancel your sponsorship anytime.[^5]
 [![Automation Technology]](https://automationtechnology.de/){ target=_blank title="Automation Technology" }
 [![Eccenca]](https://eccenca.com/){ target=_blank title="Eccenca" }
 [![SealVault]](https://sealvault.org/){ target=_blank title="SealVault" }
+[![Neptune]](https://neptune.ai/){ target=_blank title="Neptune" }
 
 </div>
 
@@ -211,6 +212,7 @@ You can cancel your sponsorship anytime.[^5]
   [Automation Technology]: https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-automation-technology.png
   [Eccenca]: https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-eccenca.png
   [SealVault]: https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-sealvault.png
+  [Neptune]: https://raw.githubusercontent.com/squidfunk/mkdocs-material/master/.github/assets/sponsors/sponsor-neptune-ai.png
 
 <hr />