diff --git a/Project.toml b/Project.toml
index 5a791fb7..1efa5498 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "Yao"
 uuid = "5872b779-8223-5990-8dd0-5abbb0748c8c"
-version = "0.8.14"
+version = "0.9.0"
 
 [deps]
 BitBasis = "50ba71b6-fa0f-514d-ae9a-0916efc90dcf"
@@ -14,12 +14,6 @@ YaoPlots = "32cfe2d9-419e-45f2-8191-2267705d8dbc"
 YaoSym = "3b27209a-d3d6-11e9-3c0f-41eb92b2cb9d"
 YaoToEinsum = "9b173c7b-dc24-4dc5-a0e1-adab2f7b6ba9"
 
-[weakdeps]
-CUDA = "052768ef-5323-5732-b1bb-66c8b64840ba"
-
-[extensions]
-CuYao = "CUDA"
-
 [compat]
 BitBasis = "0.8, 0.9"
 CUDA = "4, 5"