diff --git a/.github/renovate.json b/.github/renovate.json
index 24924bb..9d0d640 100644
--- a/.github/renovate.json
+++ b/.github/renovate.json
@@ -12,6 +12,10 @@
         "patch"
       ],
       "groupName": "all non-major Rust dependencies"
+    },
+    {
+      "matchPackagePatterns": ["wast"],
+      "enabled": false
     }
   ]
 }
diff --git a/Cargo.lock b/Cargo.lock
index 7a43b84..ca03202 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -209,12 +209,6 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4f5b37a154999a8f3f98cc23a628d850e154479cd94decf3414696e12e31aaf"
 
-[[package]]
-name = "unicode-width"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
-
 [[package]]
 name = "variant_count"
 version = "1.1.0"
@@ -225,15 +219,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "wasm-encoder"
-version = "0.25.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4eff853c4f09eec94d76af527eddad4e9de13b11d6286a1ef7134bc30135a2b7"
-dependencies = [
- "leb128",
-]
-
 [[package]]
 name = "wasmer-interface-types-fl"
 version = "0.26.0"
@@ -255,12 +240,9 @@ dependencies = [
 
 [[package]]
 name = "wast"
-version = "55.0.0"
+version = "8.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4984d3e1406571f4930ba5cf79bd70f75f41d0e87e17506e0bd19b0e5d085f05"
+checksum = "3f9df3d716118a503b2f6bbb6ff46b21997ab0cc167b01de7a188e45e4b01e8d"
 dependencies = [
  "leb128",
- "memchr",
- "unicode-width",
- "wasm-encoder",
 ]
diff --git a/crates/it-types/Cargo.toml b/crates/it-types/Cargo.toml
index 782f345..01bea09 100644
--- a/crates/it-types/Cargo.toml
+++ b/crates/it-types/Cargo.toml
@@ -16,7 +16,8 @@ it-to-bytes = { path = "../to-bytes/", version = "0.1.0" }
 serde = { version = "1.0.152", features = ["derive", "rc"]}
 
 nom = { version = "7.1", optional = true }
-wast = { version = "55.0", optional = true }
+# do not update wast, new versions expect different wit syntax
+wast = { version = "8.0", optional = true }
 
 variant_count = "1.1"
 
diff --git a/wasmer-it/Cargo.toml b/wasmer-it/Cargo.toml
index 261774a..258dca1 100644
--- a/wasmer-it/Cargo.toml
+++ b/wasmer-it/Cargo.toml
@@ -14,7 +14,8 @@ it-lilo = { path = "../crates/it-lilo", version = "0.5.0" }
 it-memory-traits = { path = "../crates/it-memory-traits", version = "0.4.0" }
 
 nom = "7.1"
-wast = "55.0"
+# do not update wast, new versions expect different wit syntax
+wast = "8.0"
 
 # `serde` is useful only to simplify the users' life. It is not
 # required by WIT itself, is is used to cross the boundary between the