diff --git a/src/abci/code.rs b/src/abci/code.rs
index f14836457..81ca1c523 100644
--- a/src/abci/code.rs
+++ b/src/abci/code.rs
@@ -87,8 +87,8 @@ impl<'de> Deserialize<'de> for Code {
             where
                 E: serde::de::Error,
             {
-                match val.parse::<u32>() {
-                    Ok(val) => self.visit_u32(val),
+                match val.parse::<u64>() {
+                    Ok(val) => self.visit_u64(val),
                     Err(_) => Err(E::custom("failed to parse integer")),
                 }
             }
diff --git a/src/abci/transaction/hash.rs b/src/abci/transaction/hash.rs
index aa14acc51..7234a9383 100644
--- a/src/abci/transaction/hash.rs
+++ b/src/abci/transaction/hash.rs
@@ -10,7 +10,7 @@ use subtle::{self, ConstantTimeEq};
 use subtle_encoding::hex;
 
 /// Size of a transaction hash in bytes
-pub const LENGTH: usize = 20;
+pub const LENGTH: usize = 32;
 
 /// Trannsaction hashes
 #[derive(Copy, Clone, Hash)]
diff --git a/tests/rpc.rs b/tests/rpc.rs
index 25236991d..a62dcaac1 100644
--- a/tests/rpc.rs
+++ b/tests/rpc.rs
@@ -111,7 +111,7 @@ mod endpoints {
 
         assert_eq!(
             &response.hash.to_string(),
-            "E39AAB7A537ABAA237831742DCE1117F187C3C52"
+            "88D4266FD4E6338D13B845FCF289579D209C897823B9217DA3E161936F031589"
         );
     }
 
@@ -126,7 +126,7 @@ mod endpoints {
 
         assert_eq!(
             &response.hash.to_string(),
-            "0D33F2F03A5234F38706E43004489E061AC40A2E"
+            "88D4266FD4E6338D13B845FCF289579D209C897823B9217DA3E161936F031589"
         );
     }
 
@@ -141,7 +141,7 @@ mod endpoints {
 
         assert_eq!(
             &response.hash.to_string(),
-            "0D33F2F03A5234F38706E43004489E061AC40A2E"
+            "88D4266FD4E6338D13B845FCF289579D209C897823B9217DA3E161936F031589"
         );
     }
 
@@ -154,7 +154,7 @@ mod endpoints {
 
         assert_eq!(
             &response.hash.to_string(),
-            "75CA0F856A4DA078FC4911580360E70CEFB2EBEE"
+            "88D4266FD4E6338D13B845FCF289579D209C897823B9217DA3E161936F031589"
         );
     }
 
diff --git a/tests/support/rpc/broadcast_tx_async.json b/tests/support/rpc/broadcast_tx_async.json
index f042acac1..8b9ee49bb 100644
--- a/tests/support/rpc/broadcast_tx_async.json
+++ b/tests/support/rpc/broadcast_tx_async.json
@@ -2,7 +2,7 @@
     "jsonrpc": "2.0",
     "id": "",
     "result": {
-        "hash": "E39AAB7A537ABAA237831742DCE1117F187C3C52",
+        "hash": "88D4266FD4E6338D13B845FCF289579D209C897823B9217DA3E161936F031589",
         "log": "",
         "data": "",
         "code": "0"
diff --git a/tests/support/rpc/broadcast_tx_commit.json b/tests/support/rpc/broadcast_tx_commit.json
index 581f9e1a7..e72a8a668 100644
--- a/tests/support/rpc/broadcast_tx_commit.json
+++ b/tests/support/rpc/broadcast_tx_commit.json
@@ -3,7 +3,7 @@
     "id": "",
     "result": {
         "height": "26682",
-        "hash": "75CA0F856A4DA078FC4911580360E70CEFB2EBEE",
+        "hash": "88D4266FD4E6338D13B845FCF289579D209C897823B9217DA3E161936F031589",
         "deliver_tx": {
             "log": "",
             "data": "",
diff --git a/tests/support/rpc/broadcast_tx_sync.json b/tests/support/rpc/broadcast_tx_sync.json
index d49c99b57..f76798646 100644
--- a/tests/support/rpc/broadcast_tx_sync.json
+++ b/tests/support/rpc/broadcast_tx_sync.json
@@ -5,6 +5,6 @@
         "code": "0",
         "data": "",
         "log": "",
-        "hash": "0D33F2F03A5234F38706E43004489E061AC40A2E"
+        "hash": "88D4266FD4E6338D13B845FCF289579D209C897823B9217DA3E161936F031589"
     }
 }
diff --git a/tests/support/rpc/broadcast_tx_sync_int.json b/tests/support/rpc/broadcast_tx_sync_int.json
index 10e1a2283..3ec5a94ba 100644
--- a/tests/support/rpc/broadcast_tx_sync_int.json
+++ b/tests/support/rpc/broadcast_tx_sync_int.json
@@ -5,6 +5,6 @@
         "code": 0,
         "data": "",
         "log": "",
-        "hash": "0D33F2F03A5234F38706E43004489E061AC40A2E"
+        "hash": "88D4266FD4E6338D13B845FCF289579D209C897823B9217DA3E161936F031589"
     }
 }