diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index 4d7c65be2c..1961c66a03 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -195,7 +195,7 @@ version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a116f46a969224200a0a97f29cfd4c50e7534e4b4826bd23ea2c3c533039c82c"
 dependencies = [
- "brotli",
+ "brotli 3.5.0",
  "flate2",
  "futures-core",
  "memchr",
@@ -574,7 +574,18 @@ checksum = "d640d25bc63c50fb1f0b545ffd80207d2e10a4c965530809b40ba3386825c391"
 dependencies = [
  "alloc-no-stdlib",
  "alloc-stdlib",
- "brotli-decompressor",
+ "brotli-decompressor 2.5.1",
+]
+
+[[package]]
+name = "brotli"
+version = "5.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19483b140a7ac7174d34b5a581b406c64f84da5409d3e09cf4fff604f9270e67"
+dependencies = [
+ "alloc-no-stdlib",
+ "alloc-stdlib",
+ "brotli-decompressor 4.0.0",
 ]
 
 [[package]]
@@ -587,6 +598,16 @@ dependencies = [
  "alloc-stdlib",
 ]
 
+[[package]]
+name = "brotli-decompressor"
+version = "4.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6221fe77a248b9117d431ad93761222e1cf8ff282d9d1d5d9f53d6299a1cf76"
+dependencies = [
+ "alloc-no-stdlib",
+ "alloc-stdlib",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.15.4"
@@ -2075,7 +2096,7 @@ checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"
 
 [[package]]
 name = "ord"
-version = "0.16.0"
+version = "0.18.5"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -2086,7 +2107,7 @@ dependencies = [
  "bip39",
  "bitcoin",
  "boilerplate",
- "brotli",
+ "brotli 5.0.0",
  "chrono",
  "ciborium",
  "clap",
@@ -2160,7 +2181,7 @@ dependencies = [
 
 [[package]]
 name = "ordinals"
-version = "0.0.4"
+version = "0.0.8"
 dependencies = [
  "bitcoin",
  "derive_more",
diff --git a/fuzz/fuzz_targets/runestone_decipher.rs b/fuzz/fuzz_targets/runestone_decipher.rs
index 4895530074..9422221e29 100644
--- a/fuzz/fuzz_targets/runestone_decipher.rs
+++ b/fuzz/fuzz_targets/runestone_decipher.rs
@@ -32,5 +32,5 @@ fuzz_target!(|input: Vec<Vec<u8>>| {
     version: 2,
   };
 
-  Runestone::from_transaction(&tx);
+  Runestone::decipher(&tx);
 });
diff --git a/fuzz/fuzz_targets/transaction_builder.rs b/fuzz/fuzz_targets/transaction_builder.rs
index 41948b559e..ecdccb0cac 100644
--- a/fuzz/fuzz_targets/transaction_builder.rs
+++ b/fuzz/fuzz_targets/transaction_builder.rs
@@ -4,10 +4,10 @@ use {
   arbitrary::Arbitrary,
   bitcoin::{
     address::{Address, NetworkUnchecked},
-    Amount, OutPoint,
+    Amount, OutPoint, TxOut,
   },
   libfuzzer_sys::fuzz_target,
-  ord::{FeeRate, Target, TransactionBuilder},
+  ord::{FeeRate, InscriptionId, Target, TransactionBuilder},
   ordinals::SatPoint,
   std::collections::{BTreeMap, BTreeSet},
 };
@@ -16,7 +16,6 @@ use {
 struct Input {
   output_value: Option<u64>,
   fee_rate: f64,
-  utxos: Vec<u64>,
 }
 
 fuzz_target!(|input: Input| {
@@ -29,23 +28,24 @@ fuzz_target!(|input: Input| {
     .unwrap();
 
   let inscription_id = "1111111111111111111111111111111111111111111111111111111111111111i1"
-    .parse()
+    .parse::<InscriptionId>()
     .unwrap();
 
   let mut inscriptions = BTreeMap::new();
-  inscriptions.insert(satpoint, inscription_id);
+  inscriptions.insert(satpoint, vec![inscription_id]);
 
+  let address = "bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4"
+    .parse::<Address<NetworkUnchecked>>()
+    .unwrap()
+    .assume_checked();
   let mut amounts = BTreeMap::new();
-  amounts.insert(outpoint, Amount::from_sat(1_000_000));
-
-  for (i, value) in input.utxos.into_iter().enumerate() {
-    amounts.insert(
-      format!("0000000000000000000000000000000000000000000000000000000000000000:{i}",)
-        .parse()
-        .unwrap(),
-      Amount::from_sat(value),
-    );
-  }
+  amounts.insert(
+    outpoint,
+    TxOut {
+      value: 50_000,
+      script_pubkey: address.script_pubkey(),
+    },
+  );
 
   let recipient = "bc1pdqrcrxa8vx6gy75mfdfj84puhxffh4fq46h3gkp6jxdd0vjcsdyspfxcv6"
     .parse::<Address<NetworkUnchecked>>()
diff --git a/fuzz/fuzz_targets/varint_decode.rs b/fuzz/fuzz_targets/varint_decode.rs
index cd54a8712e..5ca215465d 100644
--- a/fuzz/fuzz_targets/varint_decode.rs
+++ b/fuzz/fuzz_targets/varint_decode.rs
@@ -6,7 +6,7 @@ fuzz_target!(|input: &[u8]| {
   let mut i = 0;
 
   while i < input.len() {
-    let Some((decoded, length)) = varint::decode(&input[i..]) else {
+    let Ok((decoded, length)) = varint::decode(&input[i..]) else {
       break;
     };
     let mut encoded = Vec::new();