diff --git a/.travis.yml b/.travis.yml
index 758c79e..89976bc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,4 +3,8 @@ language:
 
 script:
   - cargo build --release --verbose
+  - cargo build --manifest-path build/Cargo.toml
+  - cargo build --manifest-path prune/Cargo.toml
+  - cargo build --manifest-path gas/Cargo.toml
+  - cargo build --manifest-path ext/Cargo.toml
   - cargo test --verbose
diff --git a/build/Cargo.toml b/build/Cargo.toml
index 69643a8..ec25741 100644
--- a/build/Cargo.toml
+++ b/build/Cargo.toml
@@ -7,7 +7,7 @@ authors = ["NikVolf <nikvolf@gmail.com>"]
 glob = "0.2"
 wasm-utils = { path = "../" }
 clap = "2.24"
-parity-wasm = "0.14"
+parity-wasm = "0.15"
 
 [[bin]]
 name = "wasm-build"
diff --git a/ext/Cargo.toml b/ext/Cargo.toml
index 6e86b4f..63bf8c5 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 = "0.12"
+parity-wasm = "0.15"
 wasm-utils = { path = "../" }
\ No newline at end of file
diff --git a/gas/Cargo.toml b/gas/Cargo.toml
index ab22079..0cd6b75 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 = "0.12"
+parity-wasm = "0.15"
 wasm-utils = { path = "../" }
\ No newline at end of file
diff --git a/prune/Cargo.toml b/prune/Cargo.toml
index 5270544..b226668 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 = "0.12"
+parity-wasm = "0.15"
 wasm-utils = { path = "../" }
 clap = "2.24"