diff --git a/Cargo.toml b/Cargo.toml
index beddb0c..5f8e760 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "posix-space"
-version = "1.0.3" # remember to set `html_root_url` in `src/lib.rs`.
+version = "1.0.4" # remember to set `html_root_url` in `src/lib.rs`.
 authors = ["Ryan Lopopolo <rjl@hyperbo.la>"]
 license = "MIT"
 edition = "2018"
@@ -11,7 +11,7 @@ documentation = "https://docs.rs/posix-space"
 homepage = "https://github.com/artichoke/posix-space"
 description = "Pure Rust implementation of `isspace` for the POSIX locale"
 keywords = ["isspace", "locale", "posix", "space"]
-categories = ["encoding", "no-std", "text-processing"]
+categories = ["encoding", "no-std", "no-std::no-alloc", "text-processing"]
 include = ["src/**/*", "tests/**/*", "LICENSE", "README.md"]
 
 [dependencies]
diff --git a/README.md b/README.md
index 000814a..7197e7f 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Add this to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-posix-space = "1.0.3"
+posix-space = "1.0.4"
 ```
 
 Then classify bytes like:
diff --git a/src/lib.rs b/src/lib.rs
index 46bb78c..0d71d32 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -36,7 +36,7 @@
 //!
 //! [`isspace`]: https://linux.die.net/man/3/isspace
 
-#![doc(html_root_url = "https://docs.rs/posix-space/1.0.3")]
+#![doc(html_root_url = "https://docs.rs/posix-space/1.0.4")]
 #![no_std]
 
 /// Determine whether the given byte is in **space** POSIX character class.