diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 72658c8..0bed71c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -64,7 +64,7 @@ jobs:
             PermitRootLogin no
             Subsystem sftp /usr/lib/openssh/sftp-server
           EOF
-          sudo systemctl restart sshd
+          sudo systemctl restart ssh
           echo 'SSH_KNOWN_HOSTS<<EOF' >> $GITHUB_ENV
           echo $(ssh-keyscan localhost) >> $GITHUB_ENV
           echo 'EOF' >> $GITHUB_ENV
@@ -97,6 +97,13 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+      - name: With check mode
+        uses: ./
+        with:
+          playbook: playbook.yml
+          directory: test
+          check_mode: true
+          options: --inventory hosts
       - name: With custom ansible.cfg
         uses: ./
         with:
diff --git a/action.yml b/action.yml
index 0371f80..8af5a08 100644
--- a/action.yml
+++ b/action.yml
@@ -34,9 +34,15 @@ inputs:
   sudo:
     description: Set to "true" if root is required for running your playbook
     required: false
+    default: false
   no_color:
     description: Set to "true" if the Ansible output should not include colors (defaults to "false")
     required: false
+    default: false
+  check_mode:
+    description: Set to "true" to enable check (dry-run) mode
+    required: false
+    default: false
 outputs:
   output:
     description: The captured output of both stdout and stderr from the Ansible Playbook run
diff --git a/main.js b/main.js
index 2ad6292..0ef3b5e 100644
--- a/main.js
+++ b/main.js
@@ -15,8 +15,9 @@ async function main() {
         const vaultPassword = core.getInput("vault_password")
         const knownHosts = core.getInput("known_hosts")
         const options = core.getInput("options")
-        const sudo    = core.getInput("sudo")
-        const noColor = core.getInput("no_color")
+        const sudo    = core.getBooleanInput("sudo")
+        const noColor = core.getBooleanInput("no_color")
+        const checkMode = core.getBooleanInput("check_mode")
         const fileMode = 0600
 
         let cmd = ["ansible-playbook", playbook]
@@ -94,6 +95,10 @@ async function main() {
             process.env.ANSIBLE_FORCE_COLOR = "True"
         }
 
+        if (checkMode) {
+            cmd.push("--check")
+        }
+
         let output = ""
         await exec.exec(cmd.join(' '), null, {
           listeners: {