diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 63e14e2..1c1a582 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -32,7 +32,7 @@ jobs:
           - os: macos-latest
             julia-version: nightly
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           persist-credentials: false
       - uses: julia-actions/setup-julia@v1
@@ -40,6 +40,8 @@ jobs:
           show-versioninfo: true
           version: ${{ matrix.julia-version }}
       - uses: julia-actions/julia-buildpkg@v1
+        with:
+          ignore-no-cache: true
       - uses: julia-actions/julia-runtest@v1
       - uses: heptazhou/julia-codecov@v1
       - uses: codecov/codecov-action@v3
diff --git a/Project.toml b/Project.toml
index 912a55f..c705cab 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "UUID4"
 uuid = "379725f3-1ad5-416d-b88a-50ced391fe04"
 authors = ["Heptazhou <zhou at 0h7z dot com>"]
-version = "1.8.0"
+version = "1.10.0"
 
 [deps]
 OrderedCollections = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
diff --git a/src/UUID4.jl b/src/UUID4.jl
index 1da92b0..c2fa410 100644
--- a/src/UUID4.jl
+++ b/src/UUID4.jl
@@ -16,7 +16,7 @@
 """
 	UUID4
 
-The `UUID4` module provides universally unique identifier (UUID), version 4,
+This module provides universally unique identifier (UUID) version 4,
 along with related functions.
 """
 module UUID4
@@ -30,15 +30,15 @@ export uuid_version
 export AbstractRNG, MersenneTwister, RandomDevice
 export LittleDict, OrderedDict
 export UUID
-const UUID = Base.UUID
+using Base: UUID
 using OrderedCollections: LittleDict, OrderedDict
 using Random: AbstractRNG, MersenneTwister, RandomDevice
 
 """
 	uuid(rng::AbstractRNG = RandomDevice()) -> UUID
 
-Generate a version 4 (random or pseudo-random) universally unique identifier
-(UUID), as specified by [RFC 4122](https://www.ietf.org/rfc/rfc4122).
+Generate a version 4 (random or pseudo-random) universally unique identifier (UUID),
+as specified by [RFC 4122](https://tools.ietf.org/html/rfc4122).
 
 # Examples
 ```jldoctest
@@ -76,16 +76,13 @@ function uuid_formats()::Vector{Int}
 end
 
 """
-	uuid_parse(str::String; fmt::Int = length(str)) -> Tuple{Int, UUID}
+	uuid_parse(str::AbstractString; fmt::Int = length(str)) -> Tuple{Int, UUID}
 """
 function uuid_parse end
-function uuid_parse(str::UUID; fmt::Any = 0x0)::Tuple{Int, UUID}
-	uuid_parse(string(str); fmt = Int(fmt))
+function uuid_parse(id::UUID; fmt::Number = 0)::Tuple{Int, UUID}
+	(length("$id"), id) # 36, id
 end
-function uuid_parse(str::Any; fmt::Number = 0)::Tuple{Int, UUID}
-	uuid_parse(String(str); fmt = Int(fmt))
-end
-function uuid_parse(str::String; fmt::Int = 0)::Tuple{Int, UUID}
+function uuid_parse(str::AbstractString; fmt::Int = 0)::Tuple{Int, UUID}
 	len = length(str)
 	ret = if 0 > fmt
 		argumenterror("Invalid format `$fmt` (should be positive)")
@@ -181,11 +178,11 @@ function uuid_string(id::UUID, fmt::Int)::String
 end
 
 """
-	uuid_version(id::String) -> Int
-	uuid_version(id::UUID)   -> Int
+	uuid_version(id::AbstractString) -> Int
+	uuid_version(id::UUID)           -> Int
 
-Inspect the given UUID or UUID string and return its version (see [RFC
-4122](https://www.ietf.org/rfc/rfc4122)).
+Inspect the given UUID or UUID string and return its version
+(see [RFC 4122](https://tools.ietf.org/html/rfc4122)).
 
 # Examples
 ```jldoctest
@@ -194,9 +191,8 @@ julia> uuid_version(uuid())
 ```
 """
 function uuid_version end
-uuid_version(id::Any)::Int    = uuid_version(String(id))
-uuid_version(id::String)::Int = uuid_version(uuid_parse(id)[end])
-uuid_version(id::UUID)::Int   = Int(id.value >> 76 & 0xf)
+uuid_version(id::Any)::Int  = uuid_version(uuid_parse(id)[end])
+uuid_version(id::UUID)::Int = id.value >> 76 & 0xf |> Int
 
 @noinline argumenterror(msg::AbstractString) = throw(ArgumentError(msg))