diff --git a/Project.toml b/Project.toml
index d3a6d83..e7baca0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Replay"
 uuid = "dd78c5bf-19c4-4e9c-96ce-c3ec745c7812"
 authors = ["Satoshi Terasaki <terasakisatoshi.math@gmail.com> and contributors"]
-version = "0.4.1"
+version = "0.4.2"
 
 [deps]
 Crayons = "a8cc5b0e-0ffa-5ad4-8c14-923d3ee1735f"
diff --git a/README.md b/README.md
index dae4dce..ca2958d 100644
--- a/README.md
+++ b/README.md
@@ -116,17 +116,18 @@ examples
 ├── sixel
 │   ├── Project.toml
 │   └── app.jl
+├── unicodefun
+│   ├── Project.toml
+│   └── app.jl
 ├── unicodeplots
 │   ├── Project.toml
 │   └── app.jl
 ├── unicodeplots_animated
 │   ├── Project.toml
-│   ├── app.jl
-│   └── lemma.jl
+│   └── app.jl
 └── use_ghostwriter
     └── app.jl
 
-12 directories, 21 files
 ```
 
 # Breaking Change
@@ -134,6 +135,9 @@ examples
 - The internal logic of the program has been changed to stabilize its operation. As a side effect, we had to make some destructive changes to the API.
 - Note that `color` kwarg of `replay` is removed since `v0.4.x` . Use `cmd="--color=yes"` or `cmd="--color=no"` instead.
 
+# Restriction
+
+- Replay.jl does not work on Windows. Please use WSL2 instead.
 
 # Acknowledgements