diff --git a/diesel/Cargo.toml b/diesel/Cargo.toml
index 34d2b32a..c468289c 100644
--- a/diesel/Cargo.toml
+++ b/diesel/Cargo.toml
@@ -16,6 +16,7 @@ bytes = "0.5"
 diesel = { version = "^1.1.0", features = ["sqlite", "r2d2"] }
 dotenv = "0.15"
 env_logger = "0.7"
+failure = "0.1.8"
 futures = "0.3.1"
 r2d2 = "0.8"
 serde = { version = "1.0", features = ["derive"] }