diff --git a/crates/rmcp/Cargo.toml b/crates/rmcp/Cargo.toml
index 01b61cd26..8301983a7 100644
--- a/crates/rmcp/Cargo.toml
+++ b/crates/rmcp/Cargo.toml
@@ -222,7 +222,7 @@ tracing-subscriber = { version = "0.3", features = [
   "fmt",
 ] }
 async-trait = "0.1"
-rstest = "0.27.0"
+rstest = "0.28.0"
 # Cargo unifies this feature into rmcp whenever any crate in a build enables it,
 # so the tests run with it on (see tests/test_deserialization.rs).
 serde_json = { version = "1.0", features = ["arbitrary_precision"] }