diff --git a/generator/Cargo.lock b/generator/Cargo.lock
index fca4da15..89ab0cd8 100644
--- a/generator/Cargo.lock
+++ b/generator/Cargo.lock
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "cargo_metadata"
-version = "0.14.2"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4acbb09d9ee8e23699b9634375c72795d095bf268439da88562cf9b501f181fa"
+checksum = "3abb7553d5b9b8421c6de7cb02606ff15e0c6eea7d8eadd75ef013fd636bec36"
 dependencies = [
  "camino",
  "cargo-platform",
diff --git a/generator/Cargo.toml b/generator/Cargo.toml
index b0c3faff..badcdc53 100644
--- a/generator/Cargo.toml
+++ b/generator/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT"
 edition = "2018"
 
 [dependencies]
-cargo_metadata = "0.14"
+cargo_metadata = "0.15"
 
 [dependencies.clap]
 version = "2.34"