diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index fbf7c249..837e2c74 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -3,6 +3,7 @@ name = "tapyrus-fuzz"
 version = "0.0.1"
 authors = ["Automatically generated"]
 publish = false
+edition = "2024"
 
 [package.metadata]
 cargo-fuzz = true
diff --git a/fuzz/fuzz_targets/deser_net_msg.rs b/fuzz/fuzz_targets/deser_net_msg.rs
index 5a5a66c6..df66f0b2 100644
--- a/fuzz/fuzz_targets/deser_net_msg.rs
+++ b/fuzz/fuzz_targets/deser_net_msg.rs
@@ -31,9 +31,9 @@ mod tests {
         for (idx, c) in hex.as_bytes().iter().enumerate() {
             b <<= 4;
             match *c {
-                b'A'...b'F' => b |= c - b'A' + 10,
-                b'a'...b'f' => b |= c - b'a' + 10,
-                b'0'...b'9' => b |= c - b'0',
+                b'A'..=b'F' => b |= c - b'A' + 10,
+                b'a'..=b'f' => b |= c - b'a' + 10,
+                b'0'..=b'9' => b |= c - b'0',
                 _ => panic!("Bad hex"),
             }
             if (idx & 1) == 1 {
diff --git a/fuzz/fuzz_targets/deserialize_address.rs b/fuzz/fuzz_targets/deserialize_address.rs
index 290d0ed9..75ea2823 100644
--- a/fuzz/fuzz_targets/deserialize_address.rs
+++ b/fuzz/fuzz_targets/deserialize_address.rs
@@ -36,9 +36,9 @@ mod tests {
         for (idx, c) in hex.as_bytes().iter().enumerate() {
             b <<= 4;
             match *c {
-                b'A'...b'F' => b |= c - b'A' + 10,
-                b'a'...b'f' => b |= c - b'a' + 10,
-                b'0'...b'9' => b |= c - b'0',
+                b'A'..=b'F' => b |= c - b'A' + 10,
+                b'a'..=b'f' => b |= c - b'a' + 10,
+                b'0'..=b'9' => b |= c - b'0',
                 _ => panic!("Bad hex"),
             }
             if (idx & 1) == 1 {
diff --git a/fuzz/fuzz_targets/deserialize_amount.rs b/fuzz/fuzz_targets/deserialize_amount.rs
index dde70d53..4ba12750 100644
--- a/fuzz/fuzz_targets/deserialize_amount.rs
+++ b/fuzz/fuzz_targets/deserialize_amount.rs
@@ -53,9 +53,9 @@ mod tests {
         for (idx, c) in hex.as_bytes().iter().enumerate() {
             b <<= 4;
             match *c {
-                b'A'...b'F' => b |= c - b'A' + 10,
-                b'a'...b'f' => b |= c - b'a' + 10,
-                b'0'...b'9' => b |= c - b'0',
+                b'A'..=b'F' => b |= c - b'A' + 10,
+                b'a'..=b'f' => b |= c - b'a' + 10,
+                b'0'..=b'9' => b |= c - b'0',
                 _ => panic!("Bad hex"),
             }
             if (idx & 1) == 1 {
diff --git a/fuzz/fuzz_targets/deserialize_block.rs b/fuzz/fuzz_targets/deserialize_block.rs
index a58a6764..45e7135d 100644
--- a/fuzz/fuzz_targets/deserialize_block.rs
+++ b/fuzz/fuzz_targets/deserialize_block.rs
@@ -31,9 +31,9 @@ mod tests {
         for (idx, c) in hex.as_bytes().iter().enumerate() {
             b <<= 4;
             match *c {
-                b'A'...b'F' => b |= c - b'A' + 10,
-                b'a'...b'f' => b |= c - b'a' + 10,
-                b'0'...b'9' => b |= c - b'0',
+                b'A'..=b'F' => b |= c - b'A' + 10,
+                b'a'..=b'f' => b |= c - b'a' + 10,
+                b'0'..=b'9' => b |= c - b'0',
                 _ => panic!("Bad hex"),
             }
             if (idx & 1) == 1 {
diff --git a/fuzz/fuzz_targets/deserialize_psbt.rs b/fuzz/fuzz_targets/deserialize_psbt.rs
index d00c94cb..7a0eca16 100644
--- a/fuzz/fuzz_targets/deserialize_psbt.rs
+++ b/fuzz/fuzz_targets/deserialize_psbt.rs
@@ -40,9 +40,9 @@ mod tests {
         for (idx, c) in hex.as_bytes().iter().enumerate() {
             b <<= 4;
             match *c {
-                b'A'...b'F' => b |= c - b'A' + 10,
-                b'a'...b'f' => b |= c - b'a' + 10,
-                b'0'...b'9' => b |= c - b'0',
+                b'A'..=b'F' => b |= c - b'A' + 10,
+                b'a'..=b'f' => b |= c - b'a' + 10,
+                b'0'..=b'9' => b |= c - b'0',
                 _ => panic!("Bad hex"),
             }
             if (idx & 1) == 1 {
diff --git a/fuzz/fuzz_targets/deserialize_script.rs b/fuzz/fuzz_targets/deserialize_script.rs
index 794fec8b..27b5e7c7 100644
--- a/fuzz/fuzz_targets/deserialize_script.rs
+++ b/fuzz/fuzz_targets/deserialize_script.rs
@@ -70,9 +70,9 @@ mod tests {
         for (idx, c) in hex.as_bytes().iter().enumerate() {
             b <<= 4;
             match *c {
-                b'A'...b'F' => b |= c - b'A' + 10,
-                b'a'...b'f' => b |= c - b'a' + 10,
-                b'0'...b'9' => b |= c - b'0',
+                b'A'..=b'F' => b |= c - b'A' + 10,
+                b'a'..=b'f' => b |= c - b'a' + 10,
+                b'0'..=b'9' => b |= c - b'0',
                 _ => panic!("Bad hex"),
             }
             if (idx & 1) == 1 {
diff --git a/fuzz/fuzz_targets/deserialize_transaction.rs b/fuzz/fuzz_targets/deserialize_transaction.rs
index 13743f85..a2a46fd1 100644
--- a/fuzz/fuzz_targets/deserialize_transaction.rs
+++ b/fuzz/fuzz_targets/deserialize_transaction.rs
@@ -52,9 +52,9 @@ mod tests {
         for (idx, c) in hex.as_bytes().iter().enumerate() {
             b <<= 4;
             match *c {
-                b'A'...b'F' => b |= c - b'A' + 10,
-                b'a'...b'f' => b |= c - b'a' + 10,
-                b'0'...b'9' => b |= c - b'0',
+                b'A'..=b'F' => b |= c - b'A' + 10,
+                b'a'..=b'f' => b |= c - b'a' + 10,
+                b'0'..=b'9' => b |= c - b'0',
                 _ => panic!("Bad hex"),
             }
             if (idx & 1) == 1 {
diff --git a/fuzz/fuzz_targets/outpoint_string.rs b/fuzz/fuzz_targets/outpoint_string.rs
index cc466562..0bfa9fdc 100644
--- a/fuzz/fuzz_targets/outpoint_string.rs
+++ b/fuzz/fuzz_targets/outpoint_string.rs
@@ -67,9 +67,9 @@ mod tests {
         for (idx, c) in hex.as_bytes().iter().enumerate() {
             b <<= 4;
             match *c {
-                b'A'...b'F' => b |= c - b'A' + 10,
-                b'a'...b'f' => b |= c - b'a' + 10,
-                b'0'...b'9' => b |= c - b'0',
+                b'A'..=b'F' => b |= c - b'A' + 10,
+                b'a'..=b'f' => b |= c - b'a' + 10,
+                b'0'..=b'9' => b |= c - b'0',
                 _ => panic!("Bad hex"),
             }
             if (idx & 1) == 1 {
diff --git a/fuzz/fuzz_targets/uint128_fuzz.rs b/fuzz/fuzz_targets/uint128_fuzz.rs
index 239b2ef4..29effae0 100644
--- a/fuzz/fuzz_targets/uint128_fuzz.rs
+++ b/fuzz/fuzz_targets/uint128_fuzz.rs
@@ -88,9 +88,9 @@ mod tests {
         for (idx, c) in hex.as_bytes().iter().enumerate() {
             b <<= 4;
             match *c {
-                b'A'...b'F' => b |= c - b'A' + 10,
-                b'a'...b'f' => b |= c - b'a' + 10,
-                b'0'...b'9' => b |= c - b'0',
+                b'A'..=b'F' => b |= c - b'A' + 10,
+                b'a'..=b'f' => b |= c - b'a' + 10,
+                b'0'..=b'9' => b |= c - b'0',
                 _ => panic!("Bad hex"),
             }
             if (idx & 1) == 1 {