diff --git a/__tests__/add-pr-comment.test.ts b/__tests__/add-pr-comment.test.ts
index 51f9aa4..f6a0279 100644
--- a/__tests__/add-pr-comment.test.ts
+++ b/__tests__/add-pr-comment.test.ts
@@ -29,7 +29,7 @@ type Inputs = {
 const defaultInputs: Inputs = {
   message: '',
   'message-path': undefined,
-  'repo-token': '',
+  'repo-token': repoToken,
   'message-id': 'add-pr-comment',
   'allow-repeats': 'false',
 }
@@ -130,7 +130,6 @@ describe('add-pr-comment action', () => {
 
   it('creates a comment with message text', async () => {
     inputs.message = simpleMessage
-    inputs['repo-token'] = repoToken
     inputs['allow-repeats'] = 'true'
 
     await expect(run()).resolves.not.toThrow()
@@ -141,7 +140,6 @@ describe('add-pr-comment action', () => {
   it('creates a comment with a message-path', async () => {
     inputs.message = undefined
     inputs['message-path'] = path.resolve(__dirname, './message.txt')
-    inputs['repo-token'] = repoToken
     inputs['allow-repeats'] = 'true'
 
     await expect(run()).resolves.not.toThrow()
@@ -152,18 +150,14 @@ describe('add-pr-comment action', () => {
   it('fails when both message and message-path are defined', async () => {
     inputs.message = 'foobar'
     inputs['message-path'] = path.resolve(__dirname, './message.txt')
-    inputs['repo-token'] = repoToken
 
     await expect(run()).resolves.not.toThrow()
     expect(core.setFailed).toHaveBeenCalledWith('must specify only one, message or message-path')
   })
 
   it('creates a comment in an existing PR', async () => {
-    process.env['GITHUB_TOKEN'] = repoToken
-
     inputs.message = simpleMessage
     inputs['message-path'] = undefined
-    inputs['repo-token'] = repoToken
     inputs['allow-repeats'] = 'true'
 
     github.context.payload = {
@@ -204,7 +198,6 @@ describe('add-pr-comment action', () => {
   it('creates a message when the message id does not exist', async () => {
     inputs.message = simpleMessage
     inputs['message-path'] = undefined
-    inputs['repo-token'] = repoToken
     inputs['allow-repeats'] = 'false'
     inputs['message-id'] = 'custom-id'
 
@@ -224,7 +217,6 @@ describe('add-pr-comment action', () => {
   it('identifies an existing message by id and updates it', async () => {
     inputs.message = simpleMessage
     inputs['message-path'] = undefined
-    inputs['repo-token'] = repoToken
     inputs['allow-repeats'] = 'false'
 
     const commentId = 123
@@ -250,7 +242,6 @@ describe('add-pr-comment action', () => {
   it('overrides the default message with a success message on success', async () => {
     inputs.message = simpleMessage
     inputs['message-path'] = undefined
-    inputs['repo-token'] = repoToken
     inputs['allow-repeats'] = 'false'
     inputs['message-success'] = '666'
     inputs.status = 'success'
@@ -273,7 +264,6 @@ describe('add-pr-comment action', () => {
   it('overrides the default message with a failure message on failure', async () => {
     inputs.message = simpleMessage
     inputs['message-path'] = undefined
-    inputs['repo-token'] = repoToken
     inputs['allow-repeats'] = 'false'
     inputs['message-failure'] = '666'
     inputs.status = 'failure'
@@ -296,7 +286,6 @@ describe('add-pr-comment action', () => {
   it('overrides the default message with a cancelled message on cancelled', async () => {
     inputs.message = simpleMessage
     inputs['message-path'] = undefined
-    inputs['repo-token'] = repoToken
     inputs['allow-repeats'] = 'false'
     inputs['message-cancelled'] = '666'
     inputs.status = 'cancelled'
@@ -319,7 +308,6 @@ describe('add-pr-comment action', () => {
   it('overrides the default message with a skipped message on skipped', async () => {
     inputs.message = simpleMessage
     inputs['message-path'] = undefined
-    inputs['repo-token'] = repoToken
     inputs['allow-repeats'] = 'false'
     inputs['message-skipped'] = '666'
     inputs.status = 'skipped'
diff --git a/action.yml b/action.yml
index c6d52e1..625a5b9 100644
--- a/action.yml
+++ b/action.yml
@@ -10,26 +10,26 @@ inputs:
   message-id:
     description: "An optional id to use for this message."
     default: "add-pr-comment"
-    required: false
+    required: true
   refresh-message-position:
     description: "If a message with the same id, this option allow to refresh the position of the message to be the last one posted."
     default: "false"
-    required: false
+    required: true
   repo-token:
     description: "A GitHub token for API access. Defaults to {{ github.token }}."
     default: "${{ github.token }}"
-    required: false
+    required: true
   allow-repeats:
     description: "Allow messages to be repeated."
     default: "false"
-    required: false
+    required: true
   proxy-url:
     description: "Proxy URL for comment creation"
     required: false
   status:
     description: "A job status for status headers. Defaults to {{ job.status }}."
     default: "${{ job.status }}"
-    required: false
+    required: true
   message-success:
     description: "Override the message when a run is successful."
     required: false