diff --git a/Cargo.toml b/Cargo.toml
index f00694ab..9b7116cf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ bit-set = "0.8.0"
 bit-vec = "0.8.0"
 bitflags = "2.9"
 compiletest_rs = "0.11"
-convert_case = "0.6"
+convert_case = "0.9"
 criterion = "0.5"
 insta = "1"
 message-io = { version = "0.19.0", default-features = false, features = [