diff --git a/kubectl/configure/action.yml b/kubectl/configure/action.yml
index 8b56f8c..18c437b 100644
--- a/kubectl/configure/action.yml
+++ b/kubectl/configure/action.yml
@@ -14,6 +14,10 @@ inputs:
 runs:
   using: composite
   steps:
+    - name: Mask kubeconfig
+      shell: sh
+      run: echo "::add-mask::${{ inputs.K8S_CONFIG }}"
+
     - name: Configure kubectl
       shell: sh
       env: