diff --git a/tools/Cargo.toml b/tools/Cargo.toml
index 8f940fe6179..7e170c33c6c 100644
--- a/tools/Cargo.toml
+++ b/tools/Cargo.toml
@@ -9,7 +9,7 @@ anyhow = "1.0"
 thiserror = "1.0"
 serde = { version = "1.0.137", features = ["derive"] }
 toml = "0.5.9"
-clap = "3.2.10"
+clap = "4.0.10"
 ansi_term = "0.12.1"
 
 [[bin]]
diff --git a/tools/bin/cargo-elf2sgxs.rs b/tools/bin/cargo-elf2sgxs.rs
index bc105c4d869..adc47021cb6 100644
--- a/tools/bin/cargo-elf2sgxs.rs
+++ b/tools/bin/cargo-elf2sgxs.rs
@@ -50,6 +50,7 @@ fn real_main() -> Result<()> {
             clap::Command::new("elf2sgxs").arg(
                 Arg::new("release")
                     .long("release")
+                    .action(clap::ArgAction::SetTrue)
                     .help("Use release build artifacts"),
             ),
         )
@@ -73,7 +74,7 @@ fn real_main() -> Result<()> {
     // Build target directory.
     let mut target_path = package_root.target_path();
     target_path.push(TARGET_TRIPLE);
-    if matches.is_present("release") {
+    if matches.get_flag("release") {
         target_path.push("release");
     } else {
         target_path.push("debug");