diff --git a/postgres/Cargo.toml b/postgres/Cargo.toml
index b9929319..a330f420 100644
--- a/postgres/Cargo.toml
+++ b/postgres/Cargo.toml
@@ -60,4 +60,4 @@ eui48 = "0.1"
 rustc-serialize = "0.3"
 serde_json = ">= 0.6, < 0.10"
 time = "0.1.14"
-uuid = ">= 0.1, < 0.4"
+uuid = ">= 0.1, < 0.5"