diff --git a/Cargo.lock b/Cargo.lock
index 630be83fcd..0d202185e2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -591,7 +591,7 @@ dependencies = [
  "smallvec",
  "target-lexicon",
  "thiserror",
- "wasmparser 0.70.0",
+ "wasmparser",
  "wat",
 ]
 
@@ -1149,7 +1149,7 @@ dependencies = [
  "smallvec",
  "thiserror",
  "typemap",
- "wasmparser 0.70.0",
+ "wasmparser",
  "wat",
 ]
 
@@ -2370,12 +2370,6 @@ dependencies = [
  "parity-wasm",
 ]
 
-[[package]]
-name = "wasmparser"
-version = "0.70.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed1b3f9e9cf01a580b9f3281214dfdb1922b5dfb8494ee312ca03ae10036c2a2"
-
 [[package]]
 name = "wasmparser"
 version = "0.71.0"
@@ -2389,7 +2383,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0515db67c610037f3c53ec36976edfd1eb01bac6b1226914b17ce609480e729f"
 dependencies = [
  "anyhow",
- "wasmparser 0.71.0",
+ "wasmparser",
 ]
 
 [[package]]
@@ -2410,7 +2404,7 @@ dependencies = [
  "smallvec",
  "target-lexicon",
  "tempfile",
- "wasmparser 0.70.0",
+ "wasmparser",
  "wasmtime-cache",
  "wasmtime-environ",
  "wasmtime-jit",
@@ -2499,7 +2493,7 @@ dependencies = [
  "test-programs",
  "tracing-subscriber",
  "wasi-common",
- "wasmparser 0.70.0",
+ "wasmparser",
  "wasmtime",
  "wasmtime-cache",
  "wasmtime-debug",
@@ -2535,7 +2529,7 @@ dependencies = [
  "object",
  "target-lexicon",
  "thiserror",
- "wasmparser 0.70.0",
+ "wasmparser",
  "wasmtime-environ",
 ]
 
@@ -2554,7 +2548,7 @@ dependencies = [
  "more-asserts",
  "serde",
  "thiserror",
- "wasmparser 0.70.0",
+ "wasmparser",
 ]
 
 [[package]]
@@ -2583,7 +2577,7 @@ dependencies = [
  "rayon",
  "wasm-smith",
  "wasmi",
- "wasmparser 0.70.0",
+ "wasmparser",
  "wasmprinter",
  "wasmtime",
  "wasmtime-wast",
@@ -2611,7 +2605,7 @@ dependencies = [
  "serde",
  "target-lexicon",
  "thiserror",
- "wasmparser 0.70.0",
+ "wasmparser",
  "wasmtime-cranelift",
  "wasmtime-debug",
  "wasmtime-environ",
@@ -2628,7 +2622,7 @@ version = "0.21.0"
 dependencies = [
  "cranelift-codegen",
  "lightbeam",
- "wasmparser 0.70.0",
+ "wasmparser",
  "wasmtime-environ",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index ea08c6ea64..d111151e38 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -43,7 +43,7 @@ libc = "0.2.60"
 log = "0.4.8"
 rayon = "1.2.1"
 humantime = "2.0.0"
-wasmparser = "0.70.0"
+wasmparser = "0.71.0"
 
 [dev-dependencies]
 env_logger = "0.8.1"
diff --git a/cranelift/wasm/Cargo.toml b/cranelift/wasm/Cargo.toml
index 48e19a9d57..4a37c004d1 100644
--- a/cranelift/wasm/Cargo.toml
+++ b/cranelift/wasm/Cargo.toml
@@ -12,7 +12,7 @@ keywords = ["webassembly", "wasm"]
 edition = "2018"
 
 [dependencies]
-wasmparser = { version = "0.70", default-features = false }
+wasmparser = { version = "0.71", default-features = false }
 cranelift-codegen = { path = "../codegen", version = "0.68.0", default-features = false }
 cranelift-entity = { path = "../entity", version = "0.68.0" }
 cranelift-frontend = { path = "../frontend", version = "0.68.0", default-features = false }
diff --git a/cranelift/wasm/src/code_translator.rs b/cranelift/wasm/src/code_translator.rs
index 2fe171842b..998a0c7417 100644
--- a/cranelift/wasm/src/code_translator.rs
+++ b/cranelift/wasm/src/code_translator.rs
@@ -1810,7 +1810,20 @@ pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
             let (a, b) = pop2_with_bitcast(state, I16X8, builder);
             state.push1(builder.ins().widening_pairwise_dot_product_s(a, b));
         }
-
+        Operator::I16x8ExtMulLowI8x16S
+        | Operator::I16x8ExtMulHighI8x16S
+        | Operator::I16x8ExtMulLowI8x16U
+        | Operator::I16x8ExtMulHighI8x16U
+        | Operator::I32x4ExtMulLowI16x8S
+        | Operator::I32x4ExtMulHighI16x8S
+        | Operator::I32x4ExtMulLowI16x8U
+        | Operator::I32x4ExtMulHighI16x8U
+        | Operator::I64x2ExtMulLowI32x4S
+        | Operator::I64x2ExtMulHighI32x4S
+        | Operator::I64x2ExtMulLowI32x4U
+        | Operator::I64x2ExtMulHighI32x4U => {
+            return Err(wasm_unsupported!("proposed simd operator {:?}", op));
+        }
         Operator::ReturnCall { .. } | Operator::ReturnCallIndirect { .. } => {
             return Err(wasm_unsupported!("proposed tail-call operator {:?}", op));
         }
diff --git a/crates/debug/Cargo.toml b/crates/debug/Cargo.toml
index 2236666c2a..c893c9ab13 100644
--- a/crates/debug/Cargo.toml
+++ b/crates/debug/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 
 [dependencies]
 gimli = "0.23.0"
-wasmparser = "0.70"
+wasmparser = "0.71"
 object = { version = "0.22.0", default-features = false, features = ["read_core", "elf", "write"] }
 wasmtime-environ = { path = "../environ", version = "0.21.0" }
 target-lexicon = { version = "0.11.0", default-features = false }
diff --git a/crates/environ/Cargo.toml b/crates/environ/Cargo.toml
index 26b0ec0eaf..aa132a340f 100644
--- a/crates/environ/Cargo.toml
+++ b/crates/environ/Cargo.toml
@@ -16,7 +16,7 @@ anyhow = "1.0"
 cranelift-codegen = { path = "../../cranelift/codegen", version = "0.68.0", features = ["enable-serde"] }
 cranelift-entity = { path = "../../cranelift/entity", version = "0.68.0", features = ["enable-serde"] }
 cranelift-wasm = { path = "../../cranelift/wasm", version = "0.68.0", features = ["enable-serde"] }
-wasmparser = "0.70"
+wasmparser = "0.71"
 indexmap = { version = "1.0.2", features = ["serde-1"] }
 thiserror = "1.0.4"
 serde = { version = "1.0.94", features = ["derive"] }
diff --git a/crates/fuzzing/Cargo.toml b/crates/fuzzing/Cargo.toml
index c4b13a2589..3d77683437 100644
--- a/crates/fuzzing/Cargo.toml
+++ b/crates/fuzzing/Cargo.toml
@@ -13,7 +13,7 @@ arbitrary = { version = "0.4.1", features = ["derive"] }
 env_logger = "0.8.1"
 log = "0.4.8"
 rayon = "1.2.1"
-wasmparser = "0.70"
+wasmparser = "0.71"
 wasmprinter = "0.2.17"
 wasmtime = { path = "../wasmtime" }
 wasmtime-wast = { path = "../wast" }
diff --git a/crates/jit/Cargo.toml b/crates/jit/Cargo.toml
index c754126d92..7b578543b7 100644
--- a/crates/jit/Cargo.toml
+++ b/crates/jit/Cargo.toml
@@ -28,7 +28,7 @@ rayon = { version = "1.0", optional = true }
 region = "2.1.0"
 thiserror = "1.0.4"
 target-lexicon = { version = "0.11.0", default-features = false }
-wasmparser = "0.70"
+wasmparser = "0.71"
 more-asserts = "0.2.1"
 anyhow = "1.0"
 cfg-if = "1.0"
diff --git a/crates/lightbeam/Cargo.toml b/crates/lightbeam/Cargo.toml
index d178090cfa..65ad3ba751 100644
--- a/crates/lightbeam/Cargo.toml
+++ b/crates/lightbeam/Cargo.toml
@@ -24,7 +24,7 @@ more-asserts = "0.2.1"
 smallvec = "1.0.0"
 thiserror = "1.0.9"
 typemap = "0.3"
-wasmparser = "0.70"
+wasmparser = "0.71"
 
 [dev-dependencies]
 lazy_static = "1.2"
diff --git a/crates/lightbeam/wasmtime/Cargo.toml b/crates/lightbeam/wasmtime/Cargo.toml
index 41b47115ee..51b0900b50 100644
--- a/crates/lightbeam/wasmtime/Cargo.toml
+++ b/crates/lightbeam/wasmtime/Cargo.toml
@@ -13,6 +13,6 @@ edition = "2018"
 
 [dependencies]
 lightbeam = { path = "..", version = "0.21.0" }
-wasmparser = "0.70"
+wasmparser = "0.71"
 cranelift-codegen = { path = "../../../cranelift/codegen", version = "0.68.0" }
 wasmtime-environ = { path = "../../environ", version = "0.21.0" }
diff --git a/crates/wasmtime/Cargo.toml b/crates/wasmtime/Cargo.toml
index 1fa4f012f4..9f22c01c40 100644
--- a/crates/wasmtime/Cargo.toml
+++ b/crates/wasmtime/Cargo.toml
@@ -16,7 +16,7 @@ wasmtime-jit = { path = "../jit", version = "0.21.0" }
 wasmtime-cache = { path = "../cache", version = "0.21.0", optional = true }
 wasmtime-profiling = { path = "../profiling", version = "0.21.0" }
 target-lexicon = { version = "0.11.0", default-features = false }
-wasmparser = "0.70"
+wasmparser = "0.71"
 anyhow = "1.0.19"
 region = "2.2.0"
 libc = "0.2"