diff --git a/Cargo.toml b/Cargo.toml
index 9ad5258..a80b71f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,6 +26,6 @@ rust-crypto = "0.2"
 rustc-serialize = "0.3"
 secp256k1 = "0.5"
 serde = "0.6"
-serde_json = "0.6"
+strason = "0.3"
 time = "0.1"
 
diff --git a/src/lib.rs b/src/lib.rs
index 9c2101a..74a6378 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -46,7 +46,7 @@ extern crate rand;
 extern crate rustc_serialize as serialize;
 extern crate secp256k1;
 extern crate serde;
-extern crate serde_json as json;
+extern crate strason;
 #[cfg(all(test, feature = "unstable"))] extern crate test;
 extern crate time;
 
diff --git a/src/test_macros.rs b/src/test_macros.rs
index 44b55b1..d0e8272 100644
--- a/src/test_macros.rs
+++ b/src/test_macros.rs
@@ -19,17 +19,13 @@
 #[macro_export]
 macro_rules! serde_round_trip (
     ($var:expr) => ({
-        use serde::{json, Serialize, Deserialize};
+        use serde::{Serialize, Deserialize};
+        use strason;
 
         let start = $var;
-        let mut encoded = Vec::new();
-        {
-            let mut serializer = json::ser::Serializer::new(&mut encoded);
-            start.serialize(&mut serializer).unwrap();
-        }
-        let mut deserializer = json::de::Deserializer::new(encoded.iter().map(|c| Ok(*c))).unwrap();
-        let decoded = Deserialize::deserialize(&mut deserializer);
-        assert_eq!(Some(start), decoded.ok());
+        let encoded = strason::from_serialize(start).unwrap();
+        let decoded = encoded.into_deserialize().unwrap();
+        assert_eq!(start, decoded);
     })
 );
 
diff --git a/src/util/hash.rs b/src/util/hash.rs
index 3383e79..f88c5bf 100644
--- a/src/util/hash.rs
+++ b/src/util/hash.rs
@@ -282,7 +282,7 @@ impl <T: BitcoinHash> MerkleRoot for Vec<T> {
 mod tests {
     use num::FromPrimitive;
     use serde::{Serialize, Deserialize};
-    use json;
+    use strason;
 
     use network::serialize::{serialize, deserialize};
     use util::hash::Sha256dHash;
@@ -309,15 +309,11 @@ mod tests {
     #[test]
     fn test_hash_encode_decode() {
         let hash = Sha256dHash::from_data(&[]);
-        let mut writer = vec![];
-        {
-            let mut serializer = json::ser::Serializer::new(&mut writer);
-            assert!(hash.serialize(&mut serializer).is_ok());
-        }
-        assert_eq!(&writer[..],
+        let encoded = strason::from_serialize(&hash).unwrap();
+        assert_eq!(encoded.to_bytes(),
                    "\"56944c5d3f98413ef45cf54545538103cc9f298e0575820ad3591376e2e0f65d\"".as_bytes());
-        let mut deserializer = json::de::Deserializer::new(writer.iter().map(|c| Ok(*c)));
-        assert_eq!(hash, Deserialize::deserialize(&mut deserializer).unwrap());
+        let decoded = encoded.into_deserialize().unwrap();
+        assert_eq!(hash, decoded);
     }
 
     #[test]