diff --git a/Project.toml b/Project.toml
index b5a4949..c7504a4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "OMEinsumContractionOrders"
 uuid = "6f22d1fd-8eed-4bb7-9776-e7d684900715"
 authors = ["Jin-Guo Liu", "Pan Zhang"]
-version = "0.8.0"
+version = "0.8.1"
 
 [deps]
 AbstractTrees = "1520ce14-60c1-5f80-bbc7-55ef81b5835c"
diff --git a/src/OMEinsumContractionOrders.jl b/src/OMEinsumContractionOrders.jl
index 5a32351..7a9c3fd 100644
--- a/src/OMEinsumContractionOrders.jl
+++ b/src/OMEinsumContractionOrders.jl
@@ -51,7 +51,7 @@ include("interfaces.jl")
 # saveload
 include("json.jl")
 
-@deprecate timespacereadwrite_complexity(code::AbstractEinsum, size_dict::Dict) (contraction_complexity(code, size_dict)...,)
-@deprecate timespace_complexity(code::AbstractEinsum, size_dict::Dict) (contraction_complexity(code, size_dict)...,)[1:2]
+@deprecate timespacereadwrite_complexity(code, size_dict::Dict) (contraction_complexity(code, size_dict)...,)
+@deprecate timespace_complexity(code, size_dict::Dict) (contraction_complexity(code, size_dict)...,)[1:2]
 
 end