diff --git a/Cargo.toml b/Cargo.toml
index 0343fca9..d97e34b6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,18 +25,13 @@ byteorder = "1.2"
 bitcoin_hashes = "0.7"
 bitcoinconsensus = { version = "0.16", optional = true }
 secp256k1 = "0.12"
-
-[dependencies.serde]
-version = "=1.0.98"
-features = ["derive"]
-optional = true
+serde = { version = "1", optional = true }
 
 [dependencies.hex]
 version = "=0.3.2"
 
-
 [dev-dependencies]
-serde_derive = "=1.0.98"
+serde_derive = "<1.0.99"
 serde_json = "1"
 serde_test = "1"
 secp256k1 = { version = "0.12", features = [ "rand" ] }