diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index efa6a260..b4261670 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1 +1 @@
-See [contributing guide](https://pangeo-forge.readthedocs.io/en/latest/contributing.md).
+See [contributing guide](https://pangeo-forge.readthedocs.io/en/latest/contributing.html).