diff --git a/primitive-types/impls/serde/Cargo.toml b/primitive-types/impls/serde/Cargo.toml
index 0e2342f34..dc01bc6ab 100644
--- a/primitive-types/impls/serde/Cargo.toml
+++ b/primitive-types/impls/serde/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "impl-serde"
-version = "0.2.2"
+version = "0.2.3"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 license = "Apache-2.0/MIT"