diff --git a/Cargo.lock b/Cargo.lock
index 806582395..272748164 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1124,9 +1124,9 @@ checksum = "d6f6ff9a378485b298a5286656da665ba74413d36db0979633275d2e708145d4"
 
 [[package]]
 name = "rfc6979"
-version = "0.6.0-rc.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b056b3ce73e99ed2e78481b3db9c30722b1eab738e25b71ca57c9d9285e6276"
+checksum = "b4a459cddafb3fe76b31fd8f1108007566c40301feb64dc7b54656eb7388172b"
 dependencies = [
  "crypto-bigint",
  "hmac",