diff --git a/Cargo.toml b/Cargo.toml
index c35bd43..8885968 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,10 +13,10 @@ categories = ["Science", "Simulation"]
 
 [dependencies]
 typenum = "1.16"
-num-traits = "0.2"
+num-traits = [version = "0.2", default-features = false]
 defmt = { version = "0.3", optional = true }
 
 [features]
 default = ["std"]
 defmt = ["dep:defmt"]
-std = []
+std = ["num-traits/std"]