diff --git a/ext/Cargo.toml b/ext/Cargo.toml
index 63bf8c5..2e7f8da 100644
--- a/ext/Cargo.toml
+++ b/ext/Cargo.toml
@@ -4,5 +4,5 @@ version = "0.1.0"
 authors = ["NikVolf <nikvolf@gmail.com>"]
 
 [dependencies]
-parity-wasm = "0.15"
+parity-wasm = "0.18"
 wasm-utils = { path = "../" }
\ No newline at end of file
diff --git a/gas/Cargo.toml b/gas/Cargo.toml
index 0cd6b75..2fe122b 100644
--- a/gas/Cargo.toml
+++ b/gas/Cargo.toml
@@ -4,5 +4,5 @@ version = "0.1.0"
 authors = ["NikVolf <nikvolf@gmail.com>"]
 
 [dependencies]
-parity-wasm = "0.15"
+parity-wasm = "0.18"
 wasm-utils = { path = "../" }
\ No newline at end of file
diff --git a/prune/Cargo.toml b/prune/Cargo.toml
index 3832b1e..b04bed8 100644
--- a/prune/Cargo.toml
+++ b/prune/Cargo.toml
@@ -4,6 +4,6 @@ version = "0.1.0"
 authors = ["NikVolf <nikvolf@gmail.com>"]
 
 [dependencies]
-parity-wasm = "0.15"
+parity-wasm = "0.18"
 wasm-utils = { path = "../" }
 clap = "2.24"