diff --git a/src/defs.h b/src/defs.h
index b2e9feb..c9ddbc6 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -47,6 +47,5 @@ Useful for minimizing changes to implementation files between targets e.g. GDExt
 #define TIME_MONOTONIC Time::get_singleton()->get_ticks_usec() * 1000
 #define NULL_VARIANT Variant()
 #define PAGE_SIZE 65536
-#define GODOT_WASM_EXTERNREF 128 // Different enums in Wasmer & Wasmtime (see https://github.com/wasmerio/wasmer/issues/5082)
 
 #endif
diff --git a/src/wasm.cpp b/src/wasm.cpp
index 221cfaf..616f43d 100644
--- a/src/wasm.cpp
+++ b/src/wasm.cpp
@@ -55,7 +55,7 @@ namespace godot {
     inline wasm_val_t error_value(const char* message) {
       PRINT_ERROR(message);
       wasm_val_t value;
-      value.kind = GODOT_WASM_EXTERNREF;
+      value.kind = WASM_EXTERNREF;
       value.of.ref = NULL;
       return value;
     }
@@ -121,12 +121,12 @@ namespace godot {
         if ((size_t)array.size() != results->size) return ERR_PARAMETER_RANGE_ERROR;
         for (uint16_t i = 0; i < results->size; i++) {
           results->data[i] = encode_variant(array[i], context->results[i]);
-          if (results->data[i].kind == GODOT_WASM_EXTERNREF) return ERR_INVALID_DATA;
+          if (results->data[i].kind == WASM_EXTERNREF) return ERR_INVALID_DATA;
         }
         return OK;
       } else if (results->size == 1) {
         results->data[0] = encode_variant(variant, context->results[0]);
-        return results->data[0].kind == GODOT_WASM_EXTERNREF ? ERR_INVALID_DATA : OK;
+        return results->data[0].kind == WASM_EXTERNREF ? ERR_INVALID_DATA : OK;
       } else return ERR_INVALID_DATA;
     }
 
@@ -449,7 +449,7 @@ namespace godot {
     for (uint16_t i = 0; i < args.size(); i++) {
       Variant variant = args[i];
       wasm_val_t value = encode_variant(variant, context.params[i]);
-      FAIL_IF(value.kind == GODOT_WASM_EXTERNREF, "Invalid argument type", NULL_VARIANT);
+      FAIL_IF(value.kind == WASM_EXTERNREF, "Invalid argument type", NULL_VARIANT);
       args_vec.push_back(value);
     }
     wasm_val_vec_t f_args = { args_vec.size(), args_vec.data() };
diff --git a/utils.py b/utils.py
index 23c967d..e2957ed 100644
--- a/utils.py
+++ b/utils.py
@@ -6,9 +6,9 @@
 from zipfile import ZipFile
 
 WASMER_BASE_URL = "https://github.com/wasmerio/wasmer/releases/download/{0}/wasmer-{1}.tar.gz"
-WASMER_VER_DEFAULT = "v4.3.7"
+WASMER_VER_DEFAULT = "v4.4.0"
 WASMTIME_BASE_URL = "https://github.com/bytecodealliance/wasmtime/releases/download/{0}/wasmtime-{0}-{1}-c-api.{2}"
-WASMTIME_VER_DEFAULT = "v24.0.0"
+WASMTIME_VER_DEFAULT = "v25.0.2"
 
 
 def _validate_version(v):