diff --git a/docs/user/codes/index.md b/docs/user/codes/index.md
index fcb3b5f08..38bde5106 100644
--- a/docs/user/codes/index.md
+++ b/docs/user/codes/index.md
@@ -6,4 +6,5 @@ The section gives the instructions for codes supported by atomate2.
 
 ```{toctree}
 vasp
+openmm
 ```