diff --git a/sphinx-key/Cargo.lock b/sphinx-key/Cargo.lock
index 3282e7c..2830a7c 100644
--- a/sphinx-key/Cargo.lock
+++ b/sphinx-key/Cargo.lock
@@ -2013,7 +2013,6 @@ dependencies = [
  "hex",
  "log",
  "lss-connector",
- "rand",
  "rmp-serde",
  "serde",
  "serde_json",
diff --git a/sphinx-key/Cargo.toml b/sphinx-key/Cargo.toml
index 035f993..e6e3347 100644
--- a/sphinx-key/Cargo.toml
+++ b/sphinx-key/Cargo.toml
@@ -37,7 +37,6 @@ serde = { version = "1.0.137", default-features = false }
 serde_json = { version = "1.0.81", default-features = false }
 hex = "0.4.3"
 rmp-serde = "1.1.0"
-rand = "0.8.5"
 
 [build-dependencies]
 embuild = "0.29"
diff --git a/sphinx-key/src/main.rs b/sphinx-key/src/main.rs
index 9401b57..270b917 100644
--- a/sphinx-key/src/main.rs
+++ b/sphinx-key/src/main.rs
@@ -24,9 +24,6 @@ use esp_idf_svc::nvs::*;
 use sphinx_signer::lightning_signer::bitcoin::Network;
 use sphinx_signer::sphinx_glyph::control::{Config, ControlPersist, Policy};
 
-use rand::distributions::Alphanumeric;
-use rand::Rng;
-
 #[cfg(not(feature = "pingpong"))]
 const CLIENT_ID: &str = "sphinx-1";
 
@@ -180,6 +177,7 @@ fn make_and_launch_client(
 }
 
 pub fn random_word(n: usize) -> String {
+    use sphinx_crypter::secp256k1::rand::{self, distributions::Alphanumeric, Rng};
     rand::thread_rng()
         .sample_iter(&Alphanumeric)
         .take(n)