diff --git a/misc/wasmtime-py/Cargo.toml b/misc/wasmtime-py/Cargo.toml
index 65aa2914c7..a163c29d1e 100644
--- a/misc/wasmtime-py/Cargo.toml
+++ b/misc/wasmtime-py/Cargo.toml
@@ -24,7 +24,7 @@ wasmtime-runtime = { path = "../../wasmtime-runtime" }
 target-lexicon = { version = "0.8.1", default-features = false }
 failure = "0.1"
 region = "2.0.0"
-wasmparser = "0.38.0"
+wasmparser = "0.39.1"
 
 [dependencies.pyo3]
 version = "0.8.0"