diff --git a/eden/mononoke/walker/Cargo.toml b/eden/mononoke/walker/Cargo.toml
index 3ba3dfb0584e2..cf693f3a3f91b 100644
--- a/eden/mononoke/walker/Cargo.toml
+++ b/eden/mononoke/walker/Cargo.toml
@@ -56,7 +56,7 @@ auto_impl = "0.4"
 bitflags = "1.2"
 bytes = { version = "0.5", features = ["serde"] }
 clap = "2.33"
-dashmap = {version = "3.11.10", features = ["serde"] }
+dashmap = {version = "4.0.2", features = ["serde"] }
 derive_more = "0.99.3"
 filetime = "0.2.9"
 futures = { version = "0.3.5", features = ["async-await", "compat"] }