diff --git a/K/KrylovKit/Compat.toml b/K/KrylovKit/Compat.toml
index a8162b580edeb43..63311d9cc196aa3 100644
--- a/K/KrylovKit/Compat.toml
+++ b/K/KrylovKit/Compat.toml
@@ -20,7 +20,7 @@ Printf = "1"
 ["0.6.1-0.7"]
 ChainRulesCore = "1"
 
-["0.7-0"]
+["0.7-0.8"]
 VectorInterface = "0.4"
 
 ["0.8-0"]
@@ -28,3 +28,6 @@ PackageExtensionCompat = "1"
 
 ["0.8.2-0"]
 Random = "1"
+
+["0.9-0"]
+VectorInterface = "0.5"
diff --git a/K/KrylovKit/Versions.toml b/K/KrylovKit/Versions.toml
index 3dc9844956b1d0f..5e8044c078994f8 100644
--- a/K/KrylovKit/Versions.toml
+++ b/K/KrylovKit/Versions.toml
@@ -78,3 +78,6 @@ git-tree-sha1 = "3ba86a12066c19a6ed0bc963984bcf89d495133e"
 
 ["0.8.3"]
 git-tree-sha1 = "d7ed24a88732689f26d3f12a817d181d4024bf44"
+
+["0.9.0"]
+git-tree-sha1 = "89376a14457055fee32639a7040abeb858a8387b"