diff --git a/cargo-ledger/Cargo.toml b/cargo-ledger/Cargo.toml
index 9d159c37..26d8cb40 100644
--- a/cargo-ledger/Cargo.toml
+++ b/cargo-ledger/Cargo.toml
@@ -1,8 +1,8 @@
 [package]
 name = "cargo-ledger"
-version = "1.3.0"
+version = "1.4.0"
 authors = ["yhql"]
-description = "Build and sideload Ledger Nano apps"
+description = "Build and sideload Ledger devices apps"
 categories = ["development-tools::cargo-plugins"]
 repository = "https://github.com/LedgerHQ/cargo-ledger"
 readme = "README.md"
diff --git a/cargo-ledger/src/main.rs b/cargo-ledger/src/main.rs
index 28905959..a9a51aef 100644
--- a/cargo-ledger/src/main.rs
+++ b/cargo-ledger/src/main.rs
@@ -74,6 +74,8 @@ enum Device {
     Nanos,
     Nanox,
     Nanosplus,
+    Stax,
+    Flex,
 }
 
 impl Display for Device {
@@ -88,6 +90,8 @@ impl AsRef<str> for Device {
             Device::Nanos => "nanos",
             Device::Nanox => "nanox",
             Device::Nanosplus => "nanosplus",
+            Device::Stax => "stax",
+            Device::Flex => "flex",
         }
     }
 }
@@ -199,6 +203,8 @@ fn build_app(
                 Device::Nanos => std::env::var("NANOS_SDK"),
                 Device::Nanosplus => std::env::var("NANOSP_SDK"),
                 Device::Nanox => std::env::var("NANOX_SDK"),
+                Device::Stax => std::env::var("STAX_SDK"),
+                Device::Flex => std::env::var("FLEX_SDK"),
             };
 
             let mut args: Vec<String> = vec![];
@@ -294,7 +300,7 @@ fn build_app(
     // Modify flags to enable BLE if targeting Nano X
     let flags = match device {
         Device::Nanos | Device::Nanosplus => metadata_ledger.flags,
-        Device::Nanox => {
+        Device::Nanox | Device::Stax | Device::Flex => {
             let base = u32::from_str_radix(metadata_ledger.flags.as_str(), 16)
                 .unwrap_or(0);
             format!("0x{:x}", base | 0x200)
@@ -307,6 +313,8 @@ fn build_app(
         Device::Nanos => String::from("0x31100004"),
         Device::Nanox => String::from("0x33000004"),
         Device::Nanosplus => String::from("0x33100004"),
+        Device::Stax => String::from("0x33200004"),
+        Device::Flex => String::from("0x33300004"),
     };
 
     // create manifest
diff --git a/cargo-ledger/src/setup.rs b/cargo-ledger/src/setup.rs
index 88929296..3abcc35b 100644
--- a/cargo-ledger/src/setup.rs
+++ b/cargo-ledger/src/setup.rs
@@ -13,13 +13,13 @@ pub fn install_targets() {
     let sysroot_cmd = std::str::from_utf8(&sysroot_cmd).unwrap().trim();
 
     let target_files_url = Path::new(
-        "https://raw.githubusercontent.com/LedgerHQ/ledger-device-rust-sdk/a630c93398316cc56dcec6aceb0d424b626d150c/ledger_device_sdk/"
+        "https://raw.githubusercontent.com/LedgerHQ/ledger-device-rust-sdk/feat/stax_nbgl_2/ledger_device_sdk/"
     );
     let sysroot = Path::new(sysroot_cmd).join("lib").join("rustlib");
 
     // Retrieve each target file independently
     // TODO: handle target.json modified upstream
-    for target in &["nanos", "nanox", "nanosplus"] {
+    for target in &["nanos", "nanox", "nanosplus", "stax", "flex"] {
         let outfilepath = sysroot.join(target).join("target.json");
         let targetpath =
             outfilepath.clone().into_os_string().into_string().unwrap();