diff --git a/Cargo.toml b/Cargo.toml
index c7bedd6..f5166ef 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ documentation = "https://docs.rs/ed25519-dalek"
 keywords = ["cryptography", "ed25519", "curve25519", "signature", "ECC"]
 categories = ["cryptography", "no-std"]
 description = "Fast and efficient ed25519 signing and verification in pure Rust."
-exclude = [ ".gitignore", "TESTVECTORS" ]
+exclude = [ ".gitignore", "TESTVECTORS", "res/*" ]
 
 [badges]
 travis-ci = { repository = "isislovecruft/ed25519-dalek", branch = "master"}