diff --git a/Cargo.lock b/Cargo.lock
index bf6f167bc..50cbf0ec2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -909,6 +909,7 @@ dependencies = [
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "lru-cache 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "memorydb 0.1.0",
+ "parity-version 1.8.10",
  "parking_lot 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "patricia_trie 0.1.0",
  "rlp 0.2.0",
diff --git a/util/Cargo.toml b/util/Cargo.toml
index c4d82f00a..93f8b87cd 100644
--- a/util/Cargo.toml
+++ b/util/Cargo.toml
@@ -33,6 +33,7 @@ ethcore-bytes = { path = "bytes" }
 memorydb = { path = "memorydb" }
 util-error = { path = "error" }
 kvdb = { path = "kvdb" }
+parity-version = { path = "version" }
 
 [dev-dependencies]
 kvdb-memorydb = { path = "kvdb-memorydb" }
@@ -40,7 +41,7 @@ kvdb-memorydb = { path = "kvdb-memorydb" }
 [features]
 default = []
 dev = ["clippy"]
-final = []
+final = ["parity-version/final"]
 
 [build-dependencies]
 vergen = "0.1"