diff --git a/demo-seeder/Cargo.lock b/demo-seeder/Cargo.lock
index c46de12..489fc93 100644
--- a/demo-seeder/Cargo.lock
+++ b/demo-seeder/Cargo.lock
@@ -238,7 +238,7 @@ dependencies = [
  "ed25519-dalek",
  "hex",
  "rand_chacha",
- "rand_core",
+ "rand_core 0.6.4",
  "serde_json",
  "spine-core",
  "zeroize",
@@ -282,7 +282,7 @@ checksum = "70e796c081cee67dc755e1a36a0a172b897fab85fc3f6bc48307991f64e4eca9"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
- "rand_core",
+ "rand_core 0.6.4",
  "serde",
  "sha2",
  "subtle",
@@ -403,12 +403,12 @@ dependencies = [
 
 [[package]]
 name = "rand_chacha"
-version = "0.3.1"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+checksum = "3e6af7f3e25ded52c41df4e0b1af2d047e45896c2f3281792ed68a1c243daedb"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.10.1",
 ]
 
 [[package]]
@@ -420,6 +420,12 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63b8176103e19a2643978565ca18b50549f6101881c443590420e4dc998a3c69"
+
 [[package]]
 name = "rustc_version"
 version = "0.4.1"
@@ -501,7 +507,7 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
 dependencies = [
- "rand_core",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
diff --git a/demo-seeder/Cargo.toml b/demo-seeder/Cargo.toml
index 39289c5..a46b618 100644
--- a/demo-seeder/Cargo.toml
+++ b/demo-seeder/Cargo.toml
@@ -18,7 +18,7 @@ spine-core = { path = "../spine-core" }
 clap = { version = "4.5", features = ["derive"] }
 ed25519-dalek = { version = "2.1", default-features = false, features = ["std", "rand_core", "zeroize"] }
 rand_core = { version = "0.6", features = ["getrandom"] }
-rand_chacha = "0.3"
+rand_chacha = "0.10"
 serde_json = "1.0"
 hex = "0.4"
 blake3 = "1.5"