diff --git a/Project.toml b/Project.toml
index 8db40fe..136bb2a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -11,7 +11,7 @@ LowRankOps = "0ea32739-31af-43e6-82ee-ebe6dcf00a6f"
 
 [compat]
 FITSIO = "0.17"
-KrylovKit = "0.6"
+KrylovKit = "0.6, 0.7, 0.8"
 LowRankOps = "0.1"
 julia = "1.6"