diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c170bf13230..6dc3c8f1bd9 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -92,7 +92,7 @@ MODFLOW 6 source code is formatted automatically with the [fprettify formatter](
 
 ### Style guide
 
-Automated tools like `fprettify` cannot directly address all style concerns. Please review our [style guide](https://modflow6.readthedocs.io/en/latest/styleguide.html) before submitting your code.
+Automated tools like `fprettify` cannot directly address all style concerns. Please review our [style guide](https://modflow6.readthedocs.io/en/latest/_dev/styleguide.html) before submitting your code.
 
 ## Commit messages