diff --git a/Project.toml b/Project.toml
index c659e1d2..ea79fd4b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -2,7 +2,7 @@ name = "TranscodingStreams"
 uuid = "3bb67fe8-82b1-5028-8e26-92a6c54297fa"
 license = "MIT"
 authors = ["Kenta Sato <bicycle1885@gmail.com>"]
-version = "0.10.0"
+version = "0.10.1"
 
 [deps]
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
diff --git a/test/codecnoop.jl b/test/codecnoop.jl
index 08eb696e..23064d69 100644
--- a/test/codecnoop.jl
+++ b/test/codecnoop.jl
@@ -189,8 +189,9 @@
     @test transcode(Noop, data)  == data
     @test transcode(Noop, data) !== data
 
-    data = Vector{UInt8}()
-    @test TranscodingStreams.unsafe_transcode!(Noop(), data, data) == data
+    data = UInt8[]
+    @test transcode(Noop(), data, data) == data
+    data = [0x01, 0x02]
     @test_throws AssertionError transcode(Noop(), data, data)
     data = b""
     @test transcode(Noop(), data)  == data