diff --git a/.github/workflows/push-wasm-images.yaml b/.github/workflows/push-wasm-images.yaml
index c7e024c6..0c02c1bc 100644
--- a/.github/workflows/push-wasm-images.yaml
+++ b/.github/workflows/push-wasm-images.yaml
@@ -4,7 +4,7 @@ on:
     branches:
       - main
 env:
-  TINYGO_VERSION: 0.31.2
+  TINYGO_VERSION: 0.32.0
 
 jobs:
   build-and-push-wasm-images:
@@ -32,7 +32,7 @@ jobs:
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
-          password: ${{ secrets.GHCR_TOKEN }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build/Push Docker images
         run: make wasm_image.build_push
diff --git a/.github/workflows/workflow.yaml b/.github/workflows/workflow.yaml
index aa770587..c4ebfea1 100644
--- a/.github/workflows/workflow.yaml
+++ b/.github/workflows/workflow.yaml
@@ -8,7 +8,7 @@ on:
       - main
 
 env:
-  TINYGO_VERSION: 0.31.2
+  TINYGO_VERSION: 0.32.0
 
 jobs:
   style:
diff --git a/README.md b/README.md
index 1f75d5f5..e6d00e24 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ This SDK is powered by [TinyGo](https://tinygo.org/) and does not support the of
 
 ## Requirements
 
-- [TinyGo](https://tinygo.org/) - This SDK depends on TinyGo and leverages its [WASI](https://github.com/WebAssembly/WASI) (WebAssembly System Interface) target. Please follow the official instruction [here](https://tinygo.org/getting-started/) for installing TinyGo.
+- [TinyGo](https://tinygo.org/): v0.32+ - This SDK depends on TinyGo and leverages its [WASI](https://github.com/WebAssembly/WASI) (WebAssembly System Interface) target. Please follow the official instruction [here](https://tinygo.org/getting-started/) for installing TinyGo.
 - [Envoy](https://www.envoyproxy.io) - To run compiled examples, you need to have Envoy binary. We recommend using [func-e](https://func-e.io) as the easiest way to get started with Envoy. Alternatively, you can follow [the official instruction](https://www.envoyproxy.io/docs/envoy/latest/start/install).
 
 
diff --git a/proxywasm/internal/hostcall_utils_go.go b/proxywasm/internal/hostcall_utils.go
similarity index 98%
rename from proxywasm/internal/hostcall_utils_go.go
rename to proxywasm/internal/hostcall_utils.go
index 8d2c48a1..f9cd4d29 100644
--- a/proxywasm/internal/hostcall_utils_go.go
+++ b/proxywasm/internal/hostcall_utils.go
@@ -12,8 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build !tinygo
-
 // Since the difference of the types in SliceHeader.{Len, Cap} between tinygo and go,
 // we have to have separated functions for converting bytes
 // https://github.com/tinygo-org/tinygo/issues/1284
diff --git a/proxywasm/internal/hostcall_utils_tinygo.go b/proxywasm/internal/hostcall_utils_tinygo.go
deleted file mode 100644
index b3b8fd96..00000000
--- a/proxywasm/internal/hostcall_utils_tinygo.go
+++ /dev/null
@@ -1,42 +0,0 @@
-// Copyright 2020-2024 Tetrate
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build tinygo
-
-// Since the difference of the types in SliceHeader.{Len, Cap} between tinygo and go,
-// we have to have separated functions for converting bytes
-// https://github.com/tinygo-org/tinygo/issues/1284
-
-package internal
-
-import (
-	"reflect"
-	"unsafe"
-)
-
-func RawBytePtrToString(raw *byte, size int) string {
-	return *(*string)(unsafe.Pointer(&reflect.SliceHeader{
-		Data: uintptr(unsafe.Pointer(raw)),
-		Len:  uintptr(size),
-		Cap:  uintptr(size),
-	}))
-}
-
-func RawBytePtrToByteSlice(raw *byte, size int) []byte {
-	return *(*[]byte)(unsafe.Pointer(&reflect.SliceHeader{
-		Data: uintptr(unsafe.Pointer(raw)),
-		Len:  uintptr(size),
-		Cap:  uintptr(size),
-	}))
-}