diff --git a/Cargo.lock b/Cargo.lock
index 9f0383867..390eacd63 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3435,12 +3435,12 @@ dependencies = [
  "parity-wasm 0.27.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "pwasm-utils 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "vm 0.1.0",
- "wasmi 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasmi 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasmi"
-version = "0.1.1"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3814,7 +3814,7 @@ dependencies = [
 "checksum vergen 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8c3365f36c57e5df714a34be40902b27a992eeddb9996eca52d0584611cf885d"
 "checksum version_check 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6b772017e347561807c1aa192438c5fd74242a670a6cffacc40f2defd1dc069d"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
-"checksum wasmi 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0dedfb4cbfba1e1921b12ed05762d9d5ae99ce40e72b98bbf271561ef487e8c7"
+"checksum wasmi 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d19da510b59247935ad5f598357b3cc739912666d75d3d28318026478d95bbdb"
 "checksum webpki 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9e1622384bcb5458c6a3e3fa572f53ea8fef1cc85e535a2983dea87e9154fac2"
 "checksum webpki-roots 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "155d4060e5befdf3a6076bd28c22513473d9900b763c9e4521acc6f78a75415c"
 "checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
diff --git a/ethcore/wasm/Cargo.toml b/ethcore/wasm/Cargo.toml
index 1d23dd904..6e60580e7 100644
--- a/ethcore/wasm/Cargo.toml
+++ b/ethcore/wasm/Cargo.toml
@@ -11,5 +11,5 @@ parity-wasm = "0.27"
 libc = "0.2"
 pwasm-utils = "0.1"
 vm = { path = "../vm" }
-wasmi = { version = "0.1", features = ["opt-in-32bit"] }
+wasmi = { version = "0.1.3", features = ["opt-in-32bit"] }
 ethcore-logger = { path = "../../logger" }