diff --git a/Cargo.lock b/Cargo.lock
index 801025ab8..ab8bef89d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -296,9 +296,9 @@ checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
 
 [[package]]
 name = "cc"
-version = "1.2.33"
+version = "1.2.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ee0f8803222ba5a7e2777dd72ca451868909b1ac410621b676adf07280e9b5f"
+checksum = "42bc4aea80032b7bf409b0bc7ccad88853858911b7713a8062fdc0623867bedc"
 dependencies = [
  "jobserver",
  "libc",
@@ -752,7 +752,16 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4a9b99b9cbbe49445b21764dc0625032a89b145a2642e67603e1c936f5458d05"
 dependencies = [
- "derive_more-impl",
+ "derive_more-impl 1.0.0",
+]
+
+[[package]]
+name = "derive_more"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "093242cf7570c207c83073cf82f79706fe7b8317e98620a47d5be7c3d8497678"
+dependencies = [
+ "derive_more-impl 2.0.1",
 ]
 
 [[package]]
@@ -767,6 +776,18 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "derive_more-impl"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bda628edc44c4bb645fbe0f758797143e4e07926f7ebf4e9bdfbd3d2ce621df3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.104",
+ "unicode-xid",
+]
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -1057,7 +1078,7 @@ dependencies = [
  "derive_more 1.0.0",
  "hugr",
  "serde_json",
- "thiserror 2.0.15",
+ "thiserror 2.0.16",
  "tracing",
  "tracing-subscriber",
 ]
@@ -1094,7 +1115,7 @@ dependencies = [
  "smol_str",
  "static_assertions",
  "strum",
- "thiserror 2.0.15",
+ "thiserror 2.0.16",
  "tracing",
  "typetag",
  "zstd",
@@ -1139,7 +1160,7 @@ dependencies = [
  "pretty",
  "semver",
  "smol_str",
- "thiserror 2.0.15",
+ "thiserror 2.0.16",
 ]
 
 [[package]]
@@ -1157,7 +1178,7 @@ dependencies = [
  "petgraph 0.8.2",
  "portgraph 0.15.2",
  "strum",
- "thiserror 2.0.15",
+ "thiserror 2.0.16",
 ]
 
 [[package]]
@@ -1538,7 +1559,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1db05f56d34358a8b1066f67cbb203ee3e7ed2ba674a6263a1d5ec6db2204323"
 dependencies = [
  "memchr",
- "thiserror 2.0.15",
+ "thiserror 2.0.16",
  "ucd-trie",
 ]
 
@@ -1676,7 +1697,7 @@ dependencies = [
  "petgraph 0.8.2",
  "serde",
  "smallvec",
- "thiserror 2.0.15",
+ "thiserror 2.0.16",
 ]
 
 [[package]]
@@ -2131,9 +2152,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.142"
+version = "1.0.143"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "030fedb782600dcbd6f02d479bf0d817ac3bb40d644745b769d6a96bc3afc5a7"
+checksum = "d401abef1d108fbd9cbaebc3e46611f4b1021f714a0597a71f41ee463f5f4a5a"
 dependencies = [
  "itoa",
  "memchr",
@@ -2322,11 +2343,11 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.15"
+version = "2.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "80d76d3f064b981389ecb4b6b7f45a0bf9fdac1d5b9204c7bd6714fecc302850"
+checksum = "3467d614147380f2e4e374161426ff399c91084acd2363eaf549172b3d5e60c0"
 dependencies = [
- "thiserror-impl 2.0.15",
+ "thiserror-impl 2.0.16",
 ]
 
 [[package]]
@@ -2342,9 +2363,9 @@ dependencies = [
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.15"
+version = "2.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44d29feb33e986b6ea906bd9c3559a856983f92371b3eaa5e83782a351623de0"
+checksum = "6c5e1be1c48b9172ee610da68fd9cd2770e7a4056cb3fc98710ee6906f0c7960"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2463,11 +2484,11 @@ dependencies = [
 
 [[package]]
 name = "tket-json-rs"
-version = "0.7.4"
+version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc84d7bd6b104cea080d51fb23ce5ec7c583fa1f676842c3c46a50ccd0e2000e"
+checksum = "60e5f44e3eae03ba24c92b53c6ec79cb2dcf120bf7169510bc60d941accbc2f7"
 dependencies = [
- "derive_more 1.0.0",
+ "derive_more 2.0.1",
  "pyo3",
  "pythonize",
  "serde",
@@ -2532,7 +2553,7 @@ dependencies = [
  "rstest",
  "serde",
  "serde_json",
- "thiserror 2.0.15",
+ "thiserror 2.0.16",
  "tket-json-rs",
 ]
 
@@ -2708,9 +2729,9 @@ checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "uuid"
-version = "1.17.0"
+version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3cf4199d1e5d15ddd86a694e4d0dffa9c323ce759fea589f00fef9d81cc1931d"
+checksum = "f33196643e165781c20a5ead5582283a7dacbb87855d867fbc2df3f81eddc1be"
 dependencies = [
  "getrandom",
  "js-sys",
diff --git a/Cargo.toml b/Cargo.toml
index 252d7b953..ff4f9dc55 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,7 +53,7 @@ hugr-cli = "0.22.2"
 portgraph = "0.15.2"
 pyo3 = ">= 0.23.4, < 0.26"
 itertools = "0.14.0"
-tket-json-rs = "0.7.4"
+tket-json-rs = "0.7.5"
 tracing = "0.1.37"
 portmatching = "0.3.3"
 bytemuck = "1.23.2"
diff --git a/tket-py/test/test_circuit.py b/tket-py/test/test_circuit.py
index ea6b88506..3890d2082 100644
--- a/tket-py/test/test_circuit.py
+++ b/tket-py/test/test_circuit.py
@@ -67,7 +67,7 @@ def test_conversion_qsystem():
     assert tk1_dot == tk2_dot
 
     # Check that we didn't use the opaque tk1 op fallback.
-    # TODO: There's no way to traverse the circuit nodes??
+    # TODO: There's no way to traverse the circuit nodes?
     assert "TKET1.tk1op" not in tk1_dot
     assert "tket.qsystem.PhasedX" in tk1_dot
     assert "tket.qsystem.ZZPhase" in tk1_dot
diff --git a/tket-qsystem/src/pytket/tests.rs b/tket-qsystem/src/pytket/tests.rs
index c4c598b49..f24b4df60 100644
--- a/tket-qsystem/src/pytket/tests.rs
+++ b/tket-qsystem/src/pytket/tests.rs
@@ -106,7 +106,7 @@ fn compare_serial_circs(a: &SerialCircuit, b: &SerialCircuit) {
     impl From<&tket_json_rs::circuit_json::Command> for CommandInfo {
         fn from(command: &tket_json_rs::circuit_json::Command) -> Self {
             let mut info = CommandInfo {
-                op_type: command.op.op_type.clone(),
+                op_type: command.op.op_type,
                 params: command.op.params.clone().unwrap_or_default(),
                 n_args: command.args.len(),
             };
diff --git a/tket/src/serialize/pytket.rs b/tket/src/serialize/pytket.rs
index 739617139..56127504a 100644
--- a/tket/src/serialize/pytket.rs
+++ b/tket/src/serialize/pytket.rs
@@ -368,7 +368,7 @@ impl PytketDecodeError {
 
     /// Add the pytket operation name to the error.
     pub fn pytket_op(mut self, op: &tket_json_rs::OpType) -> Self {
-        self.pytket_op = Some(format!("{op:?}"));
+        self.pytket_op = Some(format!("{op}"));
         self
     }
 
diff --git a/tket/src/serialize/pytket/decoder.rs b/tket/src/serialize/pytket/decoder.rs
index 7ae54de78..3dd28d06d 100644
--- a/tket/src/serialize/pytket/decoder.rs
+++ b/tket/src/serialize/pytket/decoder.rs
@@ -337,7 +337,7 @@ impl<'h> PytketDecoderContext<'h> {
     ) -> Result<(), PytketDecodeError> {
         let config = self.config.clone();
         for com in commands {
-            let op_type = com.op.op_type.clone();
+            let op_type = com.op.op_type;
             self.process_command(com, config.as_ref())
                 .map_err(|e| e.pytket_op(&op_type))?;
         }
diff --git a/tket/src/serialize/pytket/tests.rs b/tket/src/serialize/pytket/tests.rs
index a80ba1b31..ff282e0ae 100644
--- a/tket/src/serialize/pytket/tests.rs
+++ b/tket/src/serialize/pytket/tests.rs
@@ -177,7 +177,7 @@ fn compare_serial_circs(a: &SerialCircuit, b: &SerialCircuit) {
     impl From<&tket_json_rs::circuit_json::Command> for CommandInfo {
         fn from(command: &tket_json_rs::circuit_json::Command) -> Self {
             CommandInfo {
-                op_type: command.op.op_type.clone(),
+                op_type: command.op.op_type,
                 params: command.op.params.clone().unwrap_or_default(),
                 n_args: command.args.len(),
             }