diff --git a/Cargo.lock b/Cargo.lock
index dbe829a..3131e50 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 4
+
 [[package]]
 name = "accept"
 version = "0.0.0"
@@ -283,6 +285,12 @@ dependencies = [
  "unicode-segmentation",
 ]
 
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
 [[package]]
 name = "hermit-abi"
 version = "0.1.18"
@@ -731,7 +739,7 @@ version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd3904a4ba0a9d0211816177fd34b04c7095443f8cdacd11175064fe541c8fe2"
 dependencies = [
- "heck",
+ "heck 0.3.2",
  "proc-macro2",
  "quote",
  "syn",
@@ -1125,7 +1133,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "flate2",
- "heck",
+ "heck 0.5.0",
  "proc-macro2",
  "quote",
  "serde",
diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
index 860d686..45606bb 100644
--- a/xtask/Cargo.toml
+++ b/xtask/Cargo.toml
@@ -8,7 +8,7 @@ publish = false
 [dependencies]
 anyhow = "1.0.40"
 flate2 = "1.0.20"
-heck = "0.3.2"
+heck = "0.5.0"
 proc-macro2 = "1.0.27"
 quote = "1.0.9"
 serde = { version = "1.0.126", features = ["derive"] }