diff --git a/plutus-core/plutus-core/src/PlutusCore/Parser/Builtin.hs b/plutus-core/plutus-core/src/PlutusCore/Parser/Builtin.hs
index 83c57eb103a..a9050268420 100644
--- a/plutus-core/plutus-core/src/PlutusCore/Parser/Builtin.hs
+++ b/plutus-core/plutus-core/src/PlutusCore/Parser/Builtin.hs
@@ -42,6 +42,8 @@ builtinFnList =
     , (Sha3_256,"sha3_256")
     , (Blake2b_256,"blake2b_256")
     , (VerifySignature,"verifySignature")
+    , (VerifyEcdsaSecp256k1Signature,"verifyEcdsaSecp256k1Signature")
+    , (VerifySchnorrSecp256k1Signature,"verifySchnorrSecp256k1Signature")
     , (AppendString,"appendString")
     , (EqualsString,"equalsString")
     , (EncodeUtf8,"encodeUtf8")