diff --git a/docs/Project.toml b/docs/Project.toml
index dc20bd1..85c3d50 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -7,3 +7,7 @@ PartitionedVectors = "9d5e22db-ddc8-46c9-8309-91b035e7f733"
 
 [compat]
 Documenter = "~0.27"
+Krylov = "0.9.0"
+LinearOperators = "2.4.0"
+PartitionedStructures = "0.1.4, 0.1.5"
+julia = "^1.6.0"
\ No newline at end of file