diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index 7c69294..49f9874 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -1441,7 +1441,7 @@ dependencies = [
  "opentelemetry-otlp",
  "opentelemetry_sdk",
  "proptest",
- "rand 0.8.5",
+ "rand 0.9.2",
  "regex",
  "reqwest",
  "serde",
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index a3a3fc6..bc79704 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -73,7 +73,7 @@ hex = "0.4"
 base64 = "0.22"
 aes-gcm = "0.10"
 urlencoding = "2"
-rand = "0.8"
+rand = "0.9"
 
 # Async utilities
 async-trait = "0.1"