diff --git a/Cargo.toml b/Cargo.toml
index 3218442..d704837 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,7 +53,7 @@ stats_alloc = "0.1"
 criterion = "0.5"
 fnv = "1"
 rand = "0.8"
-rustc-hash = "1"
+rustc-hash = "2"
 cascara = "0.1.0"
 
 [package.metadata.docs.rs]