diff --git a/Project.toml b/Project.toml
index a3acd913..5c7cbe9a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -14,7 +14,7 @@ SolverCore = "ff4d7338-4cf1-434d-91df-b86cb86fb843"
 SolverTools = "b5612192-2639-5dc1-abfe-fbedd65fab29"
 
 [compat]
-Krylov = "0.8, 0.9"
+Krylov = "0.9.1"
 LinearOperators = "1.1, 2.0"
 NLPModels = "0.20"
 NLPModelsModifiers = "0.6, 0.7"