-diesel = { version = "1.4.8", features = ["postgres","chrono","r2d2","serde_json"], optional = true }
-serde = { version = "1.0.136", features = ["derive"] }
-tracing = { version = "0.1.32", optional = true }
-diesel_ltree = "0.2.7"
+diesel = { version = "2.0.0", features = ["postgres","chrono","r2d2","serde_json"], optional = true }
+serde = { version = "1.0.145", features = ["derive"] }
+tracing = { version = "0.1.36", optional = true }
+diesel_ltree = "0.3.0"