diff --git a/beacon_chain/libnimbus_lc/libnimbus_lc.nim b/beacon_chain/libnimbus_lc/libnimbus_lc.nim
index fa37b4e7b..7a63ccbd3 100644
--- a/beacon_chain/libnimbus_lc/libnimbus_lc.nim
+++ b/beacon_chain/libnimbus_lc/libnimbus_lc.nim
@@ -1562,7 +1562,7 @@ proc ETHTransactionsCreateFromJson(
     if data.authorizationList.isSome:
       for authorization in data.authorizationList.get:
         static: doAssert sizeof(uint64) == sizeof(authorization.chainId)
-        if distinctBase(authorization.yParity) > uint8.high:
+        if distinctBase(authorization.v) > uint8.high:
           return nil
     let
       tx = eth_types.EthTransaction(
@@ -1602,9 +1602,9 @@ proc ETHTransactionsCreateFromJson(
               chainId: it.chainId.ChainId,
               address: distinctBase(it.address).to(EthAddress),
               nonce: distinctBase(it.nonce),
-              v: distinctBase(it.yParity),
-              r: it.R,
-              s: it.S))
+              v: distinctBase(it.v),
+              r: it.r,
+              s: it.s))
           else:
             @[],
         V: distinctBase(data.v),
diff --git a/beacon_chain/libnimbus_lc/test_files/transactions.json b/beacon_chain/libnimbus_lc/test_files/transactions.json
index 9049b9c30..6fbc74b7b 100644
--- a/beacon_chain/libnimbus_lc/test_files/transactions.json
+++ b/beacon_chain/libnimbus_lc/test_files/transactions.json
@@ -318,17 +318,17 @@
         "chainId": "0x0",
         "address": "0x3031323334353637383940414243444546474849",
         "nonce": "0x0",
-        "yParity": "0x1",
-        "R": "0xa4be86c16c6d3a2b907660b24187d0b30b69f6db3e6e8e7a7bb1183a4706d454",
-        "S": "0x28aba84cdee6059dde41620422959d01da4f6cfff21a9b97036db018f1d815f6"
+        "v": "0x1",
+        "r": "0xa4be86c16c6d3a2b907660b24187d0b30b69f6db3e6e8e7a7bb1183a4706d454",
+        "s": "0x28aba84cdee6059dde41620422959d01da4f6cfff21a9b97036db018f1d815f6"
       },
       {
         "chainId": "0x1",
         "address": "0x5051525354555657585960616263646566676869",
         "nonce": "0x309",
-        "yParity": "0x1",
-        "R": "0xa4be86c16c6d3a2b907660b24187d0b30b69f6db3e6e8e7a7bb1183a4706d454",
-        "S": "0x28aba84cdee6059dde41620422959d01da4f6cfff21a9b97036db018f1d815f6"
+        "v": "0x1",
+        "r": "0xa4be86c16c6d3a2b907660b24187d0b30b69f6db3e6e8e7a7bb1183a4706d454",
+        "s": "0x28aba84cdee6059dde41620422959d01da4f6cfff21a9b97036db018f1d815f6"
       }
     ],
     "v": "0x1",
diff --git a/vendor/nim-web3 b/vendor/nim-web3
index a27102220..c76ddefea 160000
--- a/vendor/nim-web3
+++ b/vendor/nim-web3
@@ -1 +1 @@
-Subproject commit a2710222060de4936ca582ef677614dc4585ff12
+Subproject commit c76ddefea96e7763c3cc5b28ec5cbac1adefc4e7