diff --git a/Project.toml b/Project.toml
index d9f024a..8f81c19 100644
--- a/Project.toml
+++ b/Project.toml
@@ -8,4 +8,5 @@ PSFModels = "9ba017d1-7760-46cd-84a3-1e79e9ae9ddc"
 Photometry = "af68cb61-81ac-52ed-8703-edc140936be4"
 
 [compat]
+PSFModels = "0.6"
 julia = "1.6"