diff --git a/docs/Project.toml b/docs/Project.toml
index ce8d3d6..77fbca2 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -11,4 +11,7 @@ WGLMakie = "276b4fcb-3e11-5398-bf8b-a0c2d153d008"
 YAXArrays = "c21b50f5-aa40-41ea-b809-c0f5e47bfa5c"
 
 [sources]
-PyramidScheme = { path = ".." }
\ No newline at end of file
+PyramidScheme = { path = ".." }
+
+[compat]
+Extents = "0.1.6"