diff --git a/.github/workflows/e2e-kbcli-k3s.yml b/.github/workflows/e2e-kbcli-k3s.yml
index 56e722cd66f..51b9db6df51 100644
--- a/.github/workflows/e2e-kbcli-k3s.yml
+++ b/.github/workflows/e2e-kbcli-k3s.yml
@@ -24,14 +24,14 @@ on:
         default: '1.26'
         type: choice
         options:
-          - 1.27
-          - 1.26
-          - 1.25
-          - 1.24
-          - 1.23
-          - 1.22
-          - 1.21
-          - 1.20
+          - "1.27"
+          - "1.26"
+          - "1.25"
+          - "1.24"
+          - "1.23"
+          - "1.22"
+          - "1.21"
+          - "1.20"
       BRANCH_NAME:
         description: 'testinfra branch name'
         required: false