diff --git a/Cargo.lock b/Cargo.lock
index b98daa71..917de7f6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -888,9 +888,12 @@ checksum = "722e23542a15cea1f65d4a1419c4cfd7a26706c70871a13a04238ca3f40f1661"
 
 [[package]]
 name = "convert_case"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb4a24b1aaf0fd0ce8b45161144d6f42cd91677fd5940fd431183eb023b3a2b8"
+checksum = "ec182b0ca2f35d8fc196cf3404988fd8b8c739a4d270ff118a398feb0cbec1ca"
+dependencies = [
+ "unicode-segmentation",
+]
 
 [[package]]
 name = "cookie"
diff --git a/crates/iana-codegen/Cargo.toml b/crates/iana-codegen/Cargo.toml
index 80701c18..5e707c3f 100644
--- a/crates/iana-codegen/Cargo.toml
+++ b/crates/iana-codegen/Cargo.toml
@@ -8,7 +8,7 @@ license = "Apache-2.0"
 [dependencies]
 anyhow = "1.0.64"
 async-trait = "0.1.57"
-convert_case = "0.5.0"
+convert_case = "0.6.0"
 csv = "1.1.6"
 futures-util = "0.3.24"
 reqwest = { version = "0.11.11", features = ["blocking", "rustls-tls"], default-features = false }