diff --git a/Project.toml b/Project.toml
index 784ea20..ce5cdbc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -2,7 +2,7 @@ name = "CodecBase"
 uuid = "6c391c72-fb7b-5838-ba82-7cfb1bcfecbf"
 license = "MIT"
 authors = ["Kenta Sato <bicycle1885@gmail.com>"]
-version = "0.3.1"
+version = "0.3.2"
 
 [deps]
 TranscodingStreams = "3bb67fe8-82b1-5028-8e26-92a6c54297fa"
@@ -13,6 +13,7 @@ julia = "1"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 
 [targets]
-test = ["Test"]
+test = ["Test", "Random"]
diff --git a/test/runtests.jl b/test/runtests.jl
index 12ad58f..9b64fdf 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,5 +1,6 @@
 using CodecBase
 using Test
+using Random
 import TranscodingStreams:
     TranscodingStream,
     test_roundtrip_read,