diff --git a/Project.toml b/Project.toml
index c751236..e674573 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,6 +17,7 @@ SolverParameters = "adf32eb0-fe7e-47bb-93e4-fe96e72f6839"
 SolverTools = "b5612192-2639-5dc1-abfe-fbedd65fab29"
 
 [compat]
+Krylov = "0.9"
 julia = "1.6"
 
 [extras]