diff --git a/Cargo.toml b/Cargo.toml
index d4936b8..2afb051 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,21 +4,51 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+# Web framework
 actix-web = "4.10.2"
 actix-cors = "0.7.1"
+
+# Serialization
 serde = { version = "1.0.219", features = ["derive"] }
 serde_json = "1.0.140"
-dotenv = "0.15.0" # Or consider dotenvy = "0.15.7"
-sqlx = { version = "0.8.3", features = ["runtime-actix-native-tls", "mysql", "chrono", "macros"] }
+
+# Date and time
 chrono = { version = "0.4.40", features = ["serde"] }
-argon2 = "0.5.3" # Note: Argon2 was only in the initial Cargo.toml example, not used in the SRP code. Remove if not needed elsewhere.
-rand = "0.9.0" # Needed for Argon2 salt or other randomness, keep if needed. SRP generates its own randomness internally.
-thiserror = "1.0.69"
-env_logger = "0.11.8"
-futures = "0.3.31"
-uuid = { version = "1.16.0", features = ["v4", "serde"] }
+
+# Database
+sqlx = { version = "0.8.3", features = [
+    "runtime-actix-native-tls",
+    "mysql",
+    "chrono",
+    "macros",
+    "uuid",
+] }
+
+# Redis
+deadpool-redis = { version = "0.20", features = ["rt_tokio_1"] }
+redis = { version = "0.29.5", features = ["tokio-comp", "connection-manager"] }
+
+# Crypto & random
+argon2 = "0.5.3"
+rand = "0.9.0"
 hex = "0.4.3"
 
-# PAKE SRP dependencies
+# UUIDs
+uuid = { version = "1.16.0", features = ["v4", "serde"] }
+
+# Logging
+log = "0.4.27"
+env_logger = "0.11.8"
+
+# Async
+futures = "0.3.31"
+
+# Error handling
+thiserror = "1.0.69"
+
+# Environment
+dotenv = "0.15.0" # Consider switching to dotenvy = "0.15.7"
+
+# PAKE SRP
 srp = "0.6.0"
-sha2 = "0.10.8" # Explicitly added, required by SRP handler using Sha256
\ No newline at end of file
+sha2 = "0.10.8"
\ No newline at end of file