diff --git a/Cargo.lock b/Cargo.lock
index fa032548c449dbdfb5d6f5c2df4b568003d6a188..9428457d62ebea917efd079bdf98cc7975de02e9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -640,7 +640,7 @@ checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
 
 [[package]]
 name = "contract-metadata"
-version = "0.5.0"
+version = "0.5.1"
 dependencies = [
  "impl-serde",
  "pretty_assertions",
diff --git a/metadata/Cargo.toml b/metadata/Cargo.toml
index a3421883f51b06e7946f0812f5b5bcd3a13eeace..91c0eb42f7f49ac149f24438f9f1f33b8ccdcec6 100644
--- a/metadata/Cargo.toml
+++ b/metadata/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "contract-metadata"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
 rust-version = "1.56.1"