diff --git a/Cargo.toml b/Cargo.toml
index 82e0809d..dfb3f96e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ documentation = "https://docs.rs/special"
 homepage = "https://github.com/stainless-steel/special"
 repository = "https://github.com/stainless-steel/special"
 readme = "README.md"
-categories = ["algorithms", "science"]
+categories = ["algorithms", "science", "no-std::no-alloc"]
 keywords = ["beta", "error", "gamma"]
 
 [dependencies]
diff --git a/src/lib.rs b/src/lib.rs
index 7ef63d60..412515bc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,7 +7,9 @@
 #[cfg(test)]
 extern crate assert;
 
+#[cfg(test)]
 extern crate alloc;
+
 extern crate libm;
 
 mod beta;