diff --git a/Cargo.lock b/Cargo.lock
index e6788f39e..e3a0f1337 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -325,6 +325,7 @@ dependencies = [
  "path-clean",
  "reed-solomon-erasure",
  "regex",
+ "rmp",
  "rmp-serde",
  "s3s",
  "serde",
diff --git a/ecstore/Cargo.toml b/ecstore/Cargo.toml
index d46b9a7d5..e593485e9 100644
--- a/ecstore/Cargo.toml
+++ b/ecstore/Cargo.toml
@@ -38,6 +38,7 @@ sha2 = "0.10.8"
 hex-simd = "0.8.0"
 path-clean = "1.0.1"
 tokio-stream = "0.1.15"
+rmp = "0.8.14"
 
 [target.'cfg(not(windows))'.dependencies]
 openssl = "0.10.66"