diff --git a/contrib/sync_db_pools/lib/Cargo.toml b/contrib/sync_db_pools/lib/Cargo.toml
index 654b515a..891c733f 100644
--- a/contrib/sync_db_pools/lib/Cargo.toml
+++ b/contrib/sync_db_pools/lib/Cargo.toml
@@ -23,7 +23,7 @@ r2d2 = "0.8"
 tokio = { version = "1.6.1", features = ["rt", "rt-multi-thread"] }
 serde = { version = "1.0", features = ["derive"] }
 
-diesel = { version = "2.0.0", default-features = false, optional = true }
+diesel = { version = "2.2.3", default-features = false, optional = true }
 
 postgres = { version = "0.19", optional = true }
 r2d2_postgres = { version = "0.18", optional = true }