diff --git a/phf_mac/Cargo.toml b/phf_mac/Cargo.toml
index c1cb4449..bcea7c99 100644
--- a/phf_mac/Cargo.toml
+++ b/phf_mac/Cargo.toml
@@ -13,3 +13,5 @@ test = false
 
 [dependencies.xxhash]
 git = "https://github.com/Jurily/rust-xxhash"
+[dependencies.time]
+git = "https://github.com/rust-lang/time"