diff --git a/Cargo.toml b/Cargo.toml
index d7776f1..f831ade 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,3 +7,4 @@ description = "An iterator adaptor that accumulates the elements and yields the
 repository = "https://github.com/nelsbrock/iter_accumulate"
 license = "Apache-2.0"
 keywords = ["accumulate", "iterator", "fold"]
+categories = ["rust-patterns", "no-std"]