diff --git a/Cargo.toml b/Cargo.toml
index 6b06a3a..59978bd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -57,7 +57,7 @@ env_logger = "0.4.2"
 
 # https://github.com/sfackler/rust-postgres
 # A native PostgreSQL driver for Rust.
-postgres = "0.14"
+postgres = "0.15"
 
 # https://crates.io/crates/fallible-iterator
 # Fallible iterator traits (used for iterate (blocking) through notifications)