diff --git a/tket2/Cargo.toml b/tket2/Cargo.toml
index 97b7c16a..93a20f70 100644
--- a/tket2/Cargo.toml
+++ b/tket2/Cargo.toml
@@ -49,7 +49,7 @@ quantinuum-hugr = { workspace = true }
 portgraph = { workspace = true, features = ["serde"] }
 pyo3 = { workspace = true, optional = true, features = ["multiple-pymethods"] }
 strum_macros = "0.26.1"
-strum = "0.25.0"
+strum = "0.26.1"
 fxhash = "0.2.1"
 rmp-serde = { version = "1.1.2", optional = true }
 delegate = "0.12.0"