diff --git a/Cargo.toml b/Cargo.toml
index 7a3a56bee8..79ef2f16c9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,11 +17,11 @@ name = "wasm2obj"
 path = "src/wasm2obj.rs"
 
 [dependencies]
-cretonne = "0.3.0"
-cretonne-frontend = "0.3.0"
-cretonne-reader = "0.3.0"
-cretonne-wasm = "0.3.0"
-cretonne-native = "0.3.0"
+cretonne = "0.4.0"
+cretonne-frontend = "0.4.0"
+cretonne-reader = "0.4.0"
+cretonne-wasm = "0.4.0"
+cretonne-native = "0.4.0"
 wasmstandalone_runtime = { path = "lib/runtime" }
 wasmstandalone_execute = { path = "lib/execute" }
 wasmstandalone_obj = { path = "lib/obj" }
diff --git a/lib/execute/Cargo.toml b/lib/execute/Cargo.toml
index 619b0ba602..dbe194091e 100644
--- a/lib/execute/Cargo.toml
+++ b/lib/execute/Cargo.toml
@@ -8,7 +8,7 @@ repository = "https://github.com/sunfishcode/wasmstandalone"
 license = "MIT/Apache-2.0"
 
 [dependencies]
-cretonne = "0.3.0"
-cretonne-wasm = "0.3.0"
+cretonne = "0.4.0"
+cretonne-wasm = "0.4.0"
 region = "0.1.1"
 wasmstandalone_runtime = { path = "../runtime" }
diff --git a/lib/obj/Cargo.toml b/lib/obj/Cargo.toml
index f4b2ced791..bd03ea7e91 100644
--- a/lib/obj/Cargo.toml
+++ b/lib/obj/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["The Cretonne Project Developers"]
 publish = false
 
 [dependencies]
-cretonne = "0.3.0"
-cretonne-wasm = "0.3.0"
+cretonne = "0.4.0"
+cretonne-wasm = "0.4.0"
 wasmstandalone_runtime = { path = "../runtime" }
 faerie = "0.1.0"
diff --git a/lib/runtime/Cargo.toml b/lib/runtime/Cargo.toml
index d28827400b..9981797c8f 100644
--- a/lib/runtime/Cargo.toml
+++ b/lib/runtime/Cargo.toml
@@ -8,6 +8,6 @@ repository = "https://github.com/sunfishcode/wasmstandalone"
 license = "Apache-2.0"
 
 [dependencies]
-cretonne = "0.3.0"
-cretonne-wasm = "0.3.0"
-wasmparser = "0.14.1"
+cretonne = "0.4.0"
+cretonne-wasm = "0.4.0"
+wasmparser = "0.15.1"