diff --git a/Cargo.toml b/Cargo.toml
index 7827fbc..de7ccb6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -82,7 +82,7 @@ version = "2"
 # Public: Used in trait impls on `Uuid`
 [dependencies.arbitrary]
 optional = true
-version = "1"
+version = "=1.1.3"
 
 # Public (unstable): Used in `zerocopy` derive
 # Unstable: also need RUSTFLAGS="--cfg uuid_unstable" to work