diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1a2e643..bb47893 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -13,6 +13,10 @@ jobs:
   test:
     runs-on: ubuntu-latest
     timeout-minutes: 10
+    permissions:
+      contents: read # need for checkout
+      id-token: write # The OIDC ID token is used for authentication with JSR.
+
     steps:
       - uses: actions/checkout@v4
 
@@ -51,3 +55,6 @@ jobs:
 
       - name: test
         run: deno task test
+
+      - name: publish test
+        run: deno publish --dry-run
diff --git a/README.md b/README.md
index f9b24a4..7c039dc 100644
--- a/README.md
+++ b/README.md
@@ -71,9 +71,9 @@ Please install [Deno](https://deno.land/manual@v1.30.3/getting_started/installat
 ## command
 ### remote
 - dry run
-  - `deno run --allow-env --allow-read --allow-write https://deno.land/x/module_specifier_resolver@v1.0.23/bin.ts -b=./src -c=./tsconfig.json -d`
+  - `deno run --allow-env --allow-read --allow-write https://deno.land/x/module_specifier_resolver@v1.0.24/bin.ts -b=./src -c=./tsconfig.json -d`
 - transform
-  - `deno run --allow-env --allow-read --allow-write https://deno.land/x/module_specifier_resolver@v1.0.23/bin.ts -b=./src -c=./tsconfig.json -r`
+  - `deno run --allow-env --allow-read --allow-write https://deno.land/x/module_specifier_resolver@v1.0.24/bin.ts -b=./src -c=./tsconfig.json -r`
 ### local
 - `deno task run-dry`
 - `deno task run`
diff --git a/deno.jsonc b/deno.jsonc
index 07e5950..97fe8ed 100644
--- a/deno.jsonc
+++ b/deno.jsonc
@@ -1,6 +1,6 @@
 {
   "name": "@hajime-san/specifier-resolver",
-  "version": "1.0.23",
+  "version": "1.0.24",
   "exports": "./bin.ts",
   "tasks": {
     "set-up": "cd examples/repo && npm ci",
diff --git a/src/resolve_util.ts b/src/resolve_util.ts
index 303b411..e7d28ce 100644
--- a/src/resolve_util.ts
+++ b/src/resolve_util.ts
@@ -5,7 +5,7 @@ export const resolveModuleName = (args: {
   fileName: string;
   targetFileAbsPath: string;
   tsConfigObject: ts.ParsedCommandLine;
-}) => {
+}): ts.ResolvedModuleWithFailedLookupLocations => {
   const { fileName, targetFileAbsPath, tsConfigObject } = args;
   return ts.resolveModuleName(
     fileName,
diff --git a/src/str.ts b/src/str.ts
index 0245324..50e76ba 100644
--- a/src/str.ts
+++ b/src/str.ts
@@ -21,7 +21,7 @@ export const NEW_LINE = '\n//_PRESERVE_NEWLINE_//\n';
  * @param str
  * @returns
  */
-export const preserveNewLine = (str: string) => {
+export const preserveNewLine = (str: string): string => {
   return str.replace(/(\r|\n)\n/g, NEW_LINE);
 };
 
@@ -30,7 +30,7 @@ export const preserveNewLine = (str: string) => {
  * @param str
  * @returns
  */
-export const restoreNewLine = (str: string) => {
+export const restoreNewLine = (str: string): string => {
   return str
     // with newline
     .replace(/\/\/_PRESERVE_NEWLINE_\/\/\n/g, fs.EOL)
diff --git a/src/transform.ts b/src/transform.ts
index 46c93e6..ad0bcc9 100644
--- a/src/transform.ts
+++ b/src/transform.ts
@@ -8,7 +8,7 @@ import { hasUnicodeStr, unescapeUnicodeStr } from './str.ts';
 const transformModuleSpecifier = (
   sourceFile: ts.SourceFile,
   imports: Array<ResolvedModuleImport>,
-) => {
+): (context: ts.TransformationContext) => (rootNode: ts.Node) => ts.Node => {
   return (context: ts.TransformationContext) => (rootNode: ts.Node) => {
     const visit = (node: ts.Node): ts.Node => {
       const newNode = ts.visitEachChild(node, visit, context);