diff --git a/Cargo.toml b/Cargo.toml
index a2c00f3..0e733d1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ arbitrary = { default-features = false, optional = true, version = "1.0" }
 arrayvec = { default-features = false, version = "0.7" }
 borsh = { default-features = false, features = ["derive", "unstable__schema"], optional = true, version = "1.1.1" }
 bytes = { default-features = false, optional = true, version = "1.0" }
-diesel = { default-features = false, optional = true, version = "2.2" }
+diesel = { default-features = false, optional = true, version = "2.2.3" }
 ndarray = { default-features = false, optional = true, version = "0.15.6" }
 num-traits = { default-features = false, features = ["i128"], version = "0.2" }
 postgres-types = { default-features = false, optional = true, version = "0.2" }