diff --git a/Cargo.toml b/Cargo.toml
index 161a24e1b80..33c053ef496 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 description = "Parity Ethereum client"
 name = "parity"
-version = "1.8.3"
+version = "1.8.4"
 license = "GPL-3.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
diff --git a/util/Cargo.toml b/util/Cargo.toml
index 197d3ce83e3..4b6d7d1b41a 100644
--- a/util/Cargo.toml
+++ b/util/Cargo.toml
@@ -3,7 +3,7 @@ description = "Ethcore utility library"
 homepage = "http://parity.io"
 license = "GPL-3.0"
 name = "ethcore-util"
-version = "1.8.3"
+version = "1.8.4"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"