-actix-web = "2"
-actix-rt = "1"
-actix-files = "0.2"
-askama = "0.9" # Template system
-serde = { version = "1.0", features = ["derive"] }
-listenfd = "0.3" # To watch file modifications and automatically launch a build process (only used in dev/debug).
-ron = "0.5" # Rust object notation, to load configuration files.
-itertools = "0.9"
-env_logger = "0.7"
+actix-web = "4"
+actix-files = "0.6"
+serde = { version = "1.0", features = [ "derive" ] }
+
+ron = "0.8" # Rust object notation, to load configuration files.
+itertools = "0.10"
+
+env_logger = "0.9"
+
+r2d2_sqlite = "0.21" # Connection pool with rusqlite (SQLite access).
+r2d2 = "0.8"
+
+futures = "0.3" # Needed by askam with the feature 'with-actix-web'.