diff --git a/Cargo.toml b/Cargo.toml
index 169ef410..70d0457f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ nanoid = "0.4.0"
 openidconnect = "3.4.0"
 paste = "1.0.14"
 rbatis = "4.4.20"
-rbdc-pg = { version = "4.4.19", optional = true }
+rbdc-pg = { version = "4.5.5", optional = true }
 rbdc-mysql = { version = "4.4.19", optional = true }
 rbs = "4.4.3"
 serde = { version = "1.0.193", features = ["derive"] }