diff --git a/Cargo.lock b/Cargo.lock
index ada4616576..648fefcd35 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -536,7 +536,7 @@ dependencies = [
  "souper-ir",
  "target-lexicon",
  "thiserror",
- "wast 34.0.0",
+ "wast 35.0.0",
 ]
 
 [[package]]
@@ -1804,7 +1804,7 @@ dependencies = [
  "peepmatic-test-operator",
  "peepmatic-traits",
  "serde",
- "wast 34.0.0",
+ "wast 35.0.0",
  "z3",
 ]
 
@@ -1832,7 +1832,7 @@ dependencies = [
  "peepmatic-traits",
  "rand 0.8.3",
  "serde",
- "wast 34.0.0",
+ "wast 35.0.0",
 ]
 
 [[package]]
@@ -1857,7 +1857,7 @@ dependencies = [
  "serde",
  "serde_test",
  "thiserror",
- "wast 34.0.0",
+ "wast 35.0.0",
 ]
 
 [[package]]
@@ -1869,7 +1869,7 @@ dependencies = [
  "peepmatic",
  "peepmatic-test-operator",
  "souper-ir",
- "wast 34.0.0",
+ "wast 35.0.0",
 ]
 
 [[package]]
@@ -1890,7 +1890,7 @@ version = "0.70.0"
 dependencies = [
  "peepmatic-traits",
  "serde",
- "wast 34.0.0",
+ "wast 35.0.0",
 ]
 
 [[package]]
@@ -3100,15 +3100,15 @@ dependencies = [
 
 [[package]]
 name = "wasmparser"
-version = "0.75.0"
+version = "0.76.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4580b6be7329cfc3277131fc8363044990effb57b3ce93ef304ca70ad4339c64"
+checksum = "755a9a4afe3f6cccbbe6d7e965eef44cf260b001f93e547eba84255c1d0187d8"
 
 [[package]]
 name = "wasmprinter"
-version = "0.2.23"
+version = "0.2.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd96f124341fa6774d6092ec4049bc062aea4ab03b52e14b5c96f3667bd36961"
+checksum = "fc04e945b98318820984d1bdc9132987cb628fc43ee2b95e21fdd751341e5686"
 dependencies = [
  "anyhow",
  "wasmparser",
@@ -3245,7 +3245,7 @@ dependencies = [
  "wasmtime-wasi-crypto",
  "wasmtime-wasi-nn",
  "wasmtime-wast",
- "wast 34.0.0",
+ "wast 35.0.0",
  "wat",
 ]
 
@@ -3492,7 +3492,7 @@ version = "0.23.0"
 dependencies = [
  "anyhow",
  "wasmtime",
- "wast 34.0.0",
+ "wast 35.0.0",
 ]
 
 [[package]]
@@ -3528,20 +3528,20 @@ dependencies = [
 
 [[package]]
 name = "wast"
-version = "34.0.0"
+version = "35.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3de71ea922e46a60d0bde4b27ebf24ab7c4991006fd5de23ce9c58e129b3ab3c"
+checksum = "db5ae96da18bb5926341516fd409b5a8ce4e4714da7f0a1063d3b20ac9f9a1e1"
 dependencies = [
  "leb128",
 ]
 
 [[package]]
 name = "wat"
-version = "1.0.35"
+version = "1.0.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "474403335b9a90b21120ab8131dd888f0a8d041c2d365ab960feddfe5a73c4b6"
+checksum = "0b0fa059022c5dabe129f02b429d67086400deb8277f89c975555dacc1dadbcc"
 dependencies = [
- "wast 34.0.0",
+ "wast 35.0.0",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 64e1a348e7..e198f4bfc5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,12 +40,12 @@ anyhow = "1.0.19"
 target-lexicon = { version = "0.11.0", default-features = false }
 pretty_env_logger = "0.4.0"
 file-per-thread-logger = "0.1.1"
-wat = "1.0.33"
+wat = "1.0.36"
 libc = "0.2.60"
 log = "0.4.8"
 rayon = "1.2.1"
 humantime = "2.0.0"
-wasmparser = "0.75.0"
+wasmparser = "0.76.0"
 cap-std = "0.13"
 
 [dev-dependencies]
@@ -57,7 +57,7 @@ test-programs = { path = "crates/test-programs" }
 wasmtime-fuzzing = { path = "crates/fuzzing" }
 wasmtime-runtime = { path = "crates/runtime" }
 tracing-subscriber = "0.2.16"
-wast = "34.0.0"
+wast = "35.0.0"
 
 [build-dependencies]
 anyhow = "1.0.19"
diff --git a/build.rs b/build.rs
index 9827fd2b0b..86877ff877 100644
--- a/build.rs
+++ b/build.rs
@@ -182,44 +182,27 @@ fn experimental_x64_should_panic(testsuite: &str, testname: &str, strategy: &str
     }
 
     match (testsuite, testname) {
-        ("simd", "simd_address") => return false,
-        ("simd", "simd_align") => return false,
-        ("simd", "simd_bitwise") => return false,
-        ("simd", "simd_bit_shift") => return false,
-        ("simd", "simd_boolean") => return false,
-        ("simd", "simd_const") => return false,
-        ("simd", "simd_i8x16_arith") => return false,
-        ("simd", "simd_i8x16_arith2") => return false,
-        ("simd", "simd_i8x16_cmp") => return false,
-        ("simd", "simd_i8x16_sat_arith") => return false,
-        ("simd", "simd_i16x8_arith") => return false,
-        ("simd", "simd_i16x8_arith2") => return false,
-        ("simd", "simd_i16x8_cmp") => return false,
-        ("simd", "simd_i16x8_sat_arith") => return false,
-        ("simd", "simd_i32x4_arith") => return false,
-        ("simd", "simd_i32x4_arith2") => return false,
-        ("simd", "simd_i32x4_cmp") => return false,
-        ("simd", "simd_i32x4_dot_i16x8") => return false,
-        ("simd", "simd_i64x2_arith") => return false,
-        ("simd", "simd_f32x4") => return false,
-        ("simd", "simd_f32x4_arith") => return false,
-        ("simd", "simd_f32x4_cmp") => return false,
-        ("simd", "simd_f32x4_pmin_pmax") => return false,
-        ("simd", "simd_f64x2") => return false,
-        ("simd", "simd_f64x2_arith") => return false,
-        ("simd", "simd_f64x2_cmp") => return false,
-        ("simd", "simd_f64x2_pmin_pmax") => return false,
-        ("simd", "simd_lane") => return false,
-        ("simd", "simd_load") => return false,
-        ("simd", "simd_load_extend") => return false,
-        ("simd", "simd_load_splat") => return false,
-        ("simd", "simd_load_zero") => return false,
-        ("simd", "simd_splat") => return false,
-        ("simd", "simd_store") => return false,
-        ("simd", "simd_conversions") => return false,
-        ("simd", "simd_f32x4_rounding") => return false,
-        ("simd", "simd_f64x2_rounding") => return false,
-        ("simd", _) => return true,
+        ("simd", "simd_i64x2_cmp") => return true,
+        ("simd", "simd_i8x16_arith2") => return true, // Unsupported feature: proposed simd operator I8x16Popcnt
+        ("simd", "simd_i64x2_arith2") => return true, // Unsupported feature: proposed simd operator I64x2Abs
+        ("simd", "simd_conversions") => return true, // unknown operator or unexpected token: tests/spec_testsuite/proposals/simd/simd_conversions.wast:724:6
+        ("simd", "simd_i16x8_extadd_pairwise_i8x16") => return true,
+        ("simd", "simd_i16x8_extmul_i8x16") => return true,
+        ("simd", "simd_i16x8_q15mulr_sat_s") => return true,
+        ("simd", "simd_i32x4_extadd_pairwise_i16x8") => return true,
+        ("simd", "simd_i32x4_extmul_i16x8") => return true,
+        ("simd", "simd_i32x4_trunc_sat_f64x2") => return true,
+        ("simd", "simd_i64x2_extmul_i32x4") => return true,
+        ("simd", "simd_int_to_int_extend") => return true,
+        ("simd", "simd_load16_lane") => return true,
+        ("simd", "simd_load32_lane") => return true,
+        ("simd", "simd_load64_lane") => return true,
+        ("simd", "simd_load8_lane") => return true,
+        ("simd", "simd_store16_lane") => return true,
+        ("simd", "simd_store32_lane") => return true,
+        ("simd", "simd_store64_lane") => return true,
+        ("simd", "simd_store8_lane") => return true,
+        ("simd", _) => return false,
         _ => {}
     }
     false
@@ -247,6 +230,28 @@ fn ignore(testsuite: &str, testname: &str, strategy: &str) -> bool {
             // instruction names.
             ("simd", "simd_boolean") | ("simd", "simd_lane") => return true,
 
+            // These are new instructions that are not really implemented in any backend.
+            ("simd", "simd_i64x2_cmp")
+            | ("simd", "simd_i8x16_arith2")
+            | ("simd", "simd_i64x2_arith2")
+            | ("simd", "simd_conversions")
+            | ("simd", "simd_i16x8_extadd_pairwise_i8x16")
+            | ("simd", "simd_i16x8_extmul_i8x16")
+            | ("simd", "simd_i16x8_q15mulr_sat_s")
+            | ("simd", "simd_i32x4_extadd_pairwise_i16x8")
+            | ("simd", "simd_i32x4_extmul_i16x8")
+            | ("simd", "simd_i32x4_trunc_sat_f64x2")
+            | ("simd", "simd_i64x2_extmul_i32x4")
+            | ("simd", "simd_int_to_int_extend")
+            | ("simd", "simd_load16_lane")
+            | ("simd", "simd_load32_lane")
+            | ("simd", "simd_load64_lane")
+            | ("simd", "simd_load8_lane")
+            | ("simd", "simd_store16_lane")
+            | ("simd", "simd_store32_lane")
+            | ("simd", "simd_store64_lane")
+            | ("simd", "simd_store8_lane") => return true,
+
             // These are only implemented on aarch64 and x64.
             ("simd", "simd_f32x4_pmin_pmax")
             | ("simd", "simd_f64x2_pmin_pmax")
diff --git a/cranelift/Cargo.toml b/cranelift/Cargo.toml
index d88f08c023..736238520a 100644
--- a/cranelift/Cargo.toml
+++ b/cranelift/Cargo.toml
@@ -33,7 +33,7 @@ filecheck = "0.5.0"
 log = "0.4.8"
 termcolor = "1.1.2"
 capstone = { version = "0.7.0", optional = true }
-wat = { version = "1.0.18", optional = true }
+wat = { version = "1.0.36", optional = true }
 target-lexicon = { version = "0.11", features = ["std"] }
 peepmatic-souper = { path = "./peepmatic/crates/souper", version = "0.70.0", optional = true }
 pretty_env_logger = "0.4.0"
diff --git a/cranelift/codegen/Cargo.toml b/cranelift/codegen/Cargo.toml
index 800ed1eeff..741e925df6 100644
--- a/cranelift/codegen/Cargo.toml
+++ b/cranelift/codegen/Cargo.toml
@@ -30,7 +30,7 @@ peepmatic-traits = { path = "../peepmatic/crates/traits", optional = true, versi
 peepmatic-runtime = { path = "../peepmatic/crates/runtime", optional = true, version = "0.70.0" }
 regalloc = { version = "0.0.31" }
 souper-ir = { version = "2.1.0", optional = true }
-wast = { version = "34.0.0", optional = true }
+wast = { version = "35.0.0", optional = true }
 # It is a goal of the cranelift-codegen crate to have minimal external dependencies.
 # Please don't add any unless they are essential to the task of creating binary
 # machine code. Integration tests that need external dependencies can be
diff --git a/cranelift/peepmatic/Cargo.toml b/cranelift/peepmatic/Cargo.toml
index d0ec5588c3..f6114915d0 100644
--- a/cranelift/peepmatic/Cargo.toml
+++ b/cranelift/peepmatic/Cargo.toml
@@ -15,7 +15,7 @@ peepmatic-macro = { version = "0.70.0", path = "crates/macro" }
 peepmatic-runtime = { version = "0.70.0", path = "crates/runtime", features = ["construct"] }
 peepmatic-traits = { version = "0.70.0", path = "crates/traits" }
 serde = { version = "1.0.105", features = ["derive"] }
-wast = "34.0.0"
+wast = "35.0.0"
 z3 = { version = "0.7.1", features = ["static-link-z3"] }
 
 [dev-dependencies]
diff --git a/cranelift/peepmatic/crates/fuzzing/Cargo.toml b/cranelift/peepmatic/crates/fuzzing/Cargo.toml
index 7949451bc9..4d265700fe 100644
--- a/cranelift/peepmatic/crates/fuzzing/Cargo.toml
+++ b/cranelift/peepmatic/crates/fuzzing/Cargo.toml
@@ -21,4 +21,4 @@ peepmatic-test-operator = { path = "../test-operator" }
 peepmatic-traits = { path = "../traits" }
 rand = { version = "0.8.3", features = ["small_rng"] }
 serde = "1.0.106"
-wast = "34.0.0"
+wast = "35.0.0"
diff --git a/cranelift/peepmatic/crates/runtime/Cargo.toml b/cranelift/peepmatic/crates/runtime/Cargo.toml
index 37640910d4..392451c014 100644
--- a/cranelift/peepmatic/crates/runtime/Cargo.toml
+++ b/cranelift/peepmatic/crates/runtime/Cargo.toml
@@ -16,7 +16,7 @@ peepmatic-automata = { version = "0.70.0", path = "../automata", features = ["se
 peepmatic-traits = { version = "0.70.0", path = "../traits" }
 serde = { version = "1.0.105", features = ["derive"] }
 thiserror = "1.0.15"
-wast = { version = "34.0.0", optional = true }
+wast = { version = "35.0.0", optional = true }
 
 [dev-dependencies]
 peepmatic-test-operator = { version = "0.70.0", path = "../test-operator" }
diff --git a/cranelift/peepmatic/crates/souper/Cargo.toml b/cranelift/peepmatic/crates/souper/Cargo.toml
index b9611d0864..0c8ae79016 100644
--- a/cranelift/peepmatic/crates/souper/Cargo.toml
+++ b/cranelift/peepmatic/crates/souper/Cargo.toml
@@ -16,4 +16,4 @@ log = "0.4.8"
 [dev-dependencies]
 peepmatic = { path = "../..", version = "0.70.0" }
 peepmatic-test-operator = { version = "0.70.0", path = "../test-operator" }
-wast = "34.0.0"
+wast = "35.0.0"
diff --git a/cranelift/peepmatic/crates/test-operator/Cargo.toml b/cranelift/peepmatic/crates/test-operator/Cargo.toml
index f9a6b3ef6e..52892f3d70 100644
--- a/cranelift/peepmatic/crates/test-operator/Cargo.toml
+++ b/cranelift/peepmatic/crates/test-operator/Cargo.toml
@@ -11,4 +11,4 @@ edition = "2018"
 [dependencies]
 peepmatic-traits = { version = "0.70.0", path = "../traits" }
 serde = { version = "1.0.105", features = ["derive"] }
-wast = "34.0.0"
+wast = "35.0.0"
diff --git a/cranelift/wasm/Cargo.toml b/cranelift/wasm/Cargo.toml
index c8857cfe21..7aedc12fb1 100644
--- a/cranelift/wasm/Cargo.toml
+++ b/cranelift/wasm/Cargo.toml
@@ -12,7 +12,7 @@ keywords = ["webassembly", "wasm"]
 edition = "2018"
 
 [dependencies]
-wasmparser = { version = "0.75", default-features = false }
+wasmparser = { version = "0.76", default-features = false }
 cranelift-codegen = { path = "../codegen", version = "0.70.0", default-features = false }
 cranelift-entity = { path = "../entity", version = "0.70.0" }
 cranelift-frontend = { path = "../frontend", version = "0.70.0", default-features = false }
@@ -24,7 +24,7 @@ smallvec = "1.6.1"
 thiserror = "1.0.4"
 
 [dev-dependencies]
-wat = "1.0.23"
+wat = "1.0.36"
 target-lexicon = "0.11"
 # Enable the riscv feature for cranelift-codegen, as some tests require it
 cranelift-codegen = { path = "../codegen", version = "0.70.0", default-features = false, features = ["riscv"] }
diff --git a/cranelift/wasm/src/code_translator.rs b/cranelift/wasm/src/code_translator.rs
index 94e15a2fae..cc57efbacd 100644
--- a/cranelift/wasm/src/code_translator.rs
+++ b/cranelift/wasm/src/code_translator.rs
@@ -1769,35 +1769,35 @@ pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
             let (a, b) = pop2_with_bitcast(state, I32X4, builder);
             state.push1(builder.ins().unarrow(a, b))
         }
-        Operator::I16x8WidenLowI8x16S => {
+        Operator::I16x8ExtendLowI8x16S => {
             let a = pop1_with_bitcast(state, I8X16, builder);
             state.push1(builder.ins().swiden_low(a))
         }
-        Operator::I16x8WidenHighI8x16S => {
+        Operator::I16x8ExtendHighI8x16S => {
             let a = pop1_with_bitcast(state, I8X16, builder);
             state.push1(builder.ins().swiden_high(a))
         }
-        Operator::I16x8WidenLowI8x16U => {
+        Operator::I16x8ExtendLowI8x16U => {
             let a = pop1_with_bitcast(state, I8X16, builder);
             state.push1(builder.ins().uwiden_low(a))
         }
-        Operator::I16x8WidenHighI8x16U => {
+        Operator::I16x8ExtendHighI8x16U => {
             let a = pop1_with_bitcast(state, I8X16, builder);
             state.push1(builder.ins().uwiden_high(a))
         }
-        Operator::I32x4WidenLowI16x8S => {
+        Operator::I32x4ExtendLowI16x8S => {
             let a = pop1_with_bitcast(state, I16X8, builder);
             state.push1(builder.ins().swiden_low(a))
         }
-        Operator::I32x4WidenHighI16x8S => {
+        Operator::I32x4ExtendHighI16x8S => {
             let a = pop1_with_bitcast(state, I16X8, builder);
             state.push1(builder.ins().swiden_high(a))
         }
-        Operator::I32x4WidenLowI16x8U => {
+        Operator::I32x4ExtendLowI16x8U => {
             let a = pop1_with_bitcast(state, I16X8, builder);
             state.push1(builder.ins().uwiden_low(a))
         }
-        Operator::I32x4WidenHighI16x8U => {
+        Operator::I32x4ExtendHighI16x8U => {
             let a = pop1_with_bitcast(state, I16X8, builder);
             state.push1(builder.ins().uwiden_high(a))
         }
@@ -1827,10 +1827,10 @@ pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
             state.push1(builder.ins().widening_pairwise_dot_product_s(a, b));
         }
         Operator::I64x2Bitmask
-        | Operator::I64x2WidenLowI32x4S
-        | Operator::I64x2WidenHighI32x4S
-        | Operator::I64x2WidenLowI32x4U
-        | Operator::I64x2WidenHighI32x4U
+        | Operator::I64x2ExtendLowI32x4S
+        | Operator::I64x2ExtendHighI32x4S
+        | Operator::I64x2ExtendLowI32x4U
+        | Operator::I64x2ExtendHighI32x4U
         | Operator::V128Load8Lane { .. }
         | Operator::V128Load16Lane { .. }
         | Operator::V128Load32Lane { .. }
diff --git a/crates/c-api/Cargo.toml b/crates/c-api/Cargo.toml
index cf76aff823..be28ee1731 100644
--- a/crates/c-api/Cargo.toml
+++ b/crates/c-api/Cargo.toml
@@ -24,7 +24,7 @@ wasmtime = { path = "../wasmtime", default-features = false }
 wasmtime-c-api-macros = { path = "macros" }
 
 # Optional dependency for the `wat2wasm` API
-wat = { version = "1.0.23", optional = true }
+wat = { version = "1.0.36", optional = true }
 
 # Optional dependencies for the `wasi` feature
 wasi-common = { path = "../wasi-common", optional = true }
diff --git a/crates/cranelift/Cargo.toml b/crates/cranelift/Cargo.toml
index 78b380622f..d2e3258f4b 100644
--- a/crates/cranelift/Cargo.toml
+++ b/crates/cranelift/Cargo.toml
@@ -17,4 +17,4 @@ cranelift-wasm = { path = "../../cranelift/wasm", version = "0.70.0" }
 cranelift-codegen = { path = "../../cranelift/codegen", version = "0.70.0" }
 cranelift-frontend = { path = "../../cranelift/frontend", version = "0.70.0" }
 cranelift-entity = { path = "../../cranelift/entity", version = "0.70.0" }
-wasmparser = "0.75.0"
+wasmparser = "0.76.0"
diff --git a/crates/debug/Cargo.toml b/crates/debug/Cargo.toml
index 82c33b7677..a5e74c1a27 100644
--- a/crates/debug/Cargo.toml
+++ b/crates/debug/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 
 [dependencies]
 gimli = "0.23.0"
-wasmparser = "0.75"
+wasmparser = "0.76"
 object = { version = "0.23.0", default-features = false, features = ["read_core", "elf", "write"] }
 wasmtime-environ = { path = "../environ", version = "0.23.0" }
 target-lexicon = { version = "0.11.0", default-features = false }
diff --git a/crates/environ/Cargo.toml b/crates/environ/Cargo.toml
index b6684d9bf0..60a50518b2 100644
--- a/crates/environ/Cargo.toml
+++ b/crates/environ/Cargo.toml
@@ -16,7 +16,7 @@ anyhow = "1.0"
 cranelift-codegen = { path = "../../cranelift/codegen", version = "0.70.0", features = ["enable-serde"] }
 cranelift-entity = { path = "../../cranelift/entity", version = "0.70.0", features = ["enable-serde"] }
 cranelift-wasm = { path = "../../cranelift/wasm", version = "0.70.0", features = ["enable-serde"] }
-wasmparser = "0.75"
+wasmparser = "0.76"
 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 ef721fc392..66c524486b 100644
--- a/crates/fuzzing/Cargo.toml
+++ b/crates/fuzzing/Cargo.toml
@@ -13,8 +13,8 @@ arbitrary = { version = "1.0.0", features = ["derive"] }
 env_logger = "0.8.1"
 log = "0.4.8"
 rayon = "1.2.1"
-wasmparser = "0.75"
-wasmprinter = "0.2.23"
+wasmparser = "0.76"
+wasmprinter = "0.2.24"
 wasmtime = { path = "../wasmtime" }
 wasmtime-wast = { path = "../wast" }
 wasm-encoder = "0.4"
@@ -22,7 +22,7 @@ wasm-smith = "0.4.0"
 wasmi = "0.7.0"
 
 [dev-dependencies]
-wat = "1.0.28"
+wat = "1.0.36"
 
 [features]
 experimental_x64 = ["wasmtime/experimental_x64"]
diff --git a/crates/jit/Cargo.toml b/crates/jit/Cargo.toml
index d10bad5c5e..3c3f2ea28c 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 = "0.75"
+wasmparser = "0.76"
 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 cb63c3227c..2faae18fd4 100644
--- a/crates/lightbeam/Cargo.toml
+++ b/crates/lightbeam/Cargo.toml
@@ -24,11 +24,11 @@ more-asserts = "0.2.1"
 smallvec = "1.6.1"
 thiserror = "1.0.9"
 typemap = "0.3"
-wasmparser = "0.75"
+wasmparser = "0.76"
 
 [dev-dependencies]
 lazy_static = "1.2"
-wat = "1.0.23"
+wat = "1.0.36"
 quickcheck = "1.0.0"
 anyhow = "1.0"
 
diff --git a/crates/lightbeam/wasmtime/Cargo.toml b/crates/lightbeam/wasmtime/Cargo.toml
index d69c8607f0..b0ffd0c0a4 100644
--- a/crates/lightbeam/wasmtime/Cargo.toml
+++ b/crates/lightbeam/wasmtime/Cargo.toml
@@ -13,6 +13,6 @@ edition = "2018"
 
 [dependencies]
 lightbeam = { path = "..", version = "0.23.0" }
-wasmparser = "0.75"
+wasmparser = "0.76"
 cranelift-codegen = { path = "../../../cranelift/codegen", version = "0.70.0" }
 wasmtime-environ = { path = "../../environ", version = "0.23.0" }
diff --git a/crates/test-programs/Cargo.toml b/crates/test-programs/Cargo.toml
index 63d631b9df..796b361003 100644
--- a/crates/test-programs/Cargo.toml
+++ b/crates/test-programs/Cargo.toml
@@ -20,7 +20,7 @@ pretty_env_logger = "0.4.0"
 tempfile = "3.1.0"
 os_pipe = "0.9"
 anyhow = "1.0.19"
-wat = "1.0.23"
+wat = "1.0.36"
 cap-std = "0.13"
 
 [features]
diff --git a/crates/wasmtime/Cargo.toml b/crates/wasmtime/Cargo.toml
index c9890f8d13..1be555ccd9 100644
--- a/crates/wasmtime/Cargo.toml
+++ b/crates/wasmtime/Cargo.toml
@@ -20,7 +20,7 @@ wasmtime-cache = { path = "../cache", version = "0.23.0", optional = true }
 wasmtime-profiling = { path = "../profiling", version = "0.23.0" }
 wasmtime-fiber = { path = "../fiber", version = "0.23.0", optional = true }
 target-lexicon = { version = "0.11.0", default-features = false }
-wasmparser = "0.75"
+wasmparser = "0.76"
 anyhow = "1.0.19"
 region = "2.2.0"
 libc = "0.2"
@@ -29,7 +29,7 @@ backtrace = "0.3.42"
 rustc-demangle = "0.1.16"
 cpp_demangle = "0.3.2"
 log = "0.4.8"
-wat = { version = "1.0.35", optional = true }
+wat = { version = "1.0.36", optional = true }
 smallvec = "1.6.1"
 serde = { version = "1.0.94", features = ["derive"] }
 bincode = "1.2.1"
diff --git a/crates/wast/Cargo.toml b/crates/wast/Cargo.toml
index 5d2459f105..db5fa77a9a 100644
--- a/crates/wast/Cargo.toml
+++ b/crates/wast/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 [dependencies]
 anyhow = "1.0.19"
 wasmtime = { path = "../wasmtime", version = "0.23.0", default-features = false }
-wast = "34.0.0"
+wast = "35.0.0"
 
 [badges]
 maintenance = { status = "actively-developed" }
diff --git a/tests/spec_testsuite b/tests/spec_testsuite
index 35c50bf6fb..9994915e0c 160000
--- a/tests/spec_testsuite
+++ b/tests/spec_testsuite
@@ -1 +1 @@
-Subproject commit 35c50bf6fbb002cfdc1227b0af731bdcaf877714
+Subproject commit 9994915e0cca8b42a16c577e4c85491822367dde