diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d0d5f9b4f..715e239d2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,11 +15,10 @@ jobs:
         - '3.1.2' # With k8s 1.24
         - '3.0.4' # With k8s 1.23
         - '2.7.6' # With k8s 1.22
-        - '3.1.2' # With k8s 1.24
-        - '3.0.4' # With k8s 1.23
-        - '2.7.6' # With k8s 1.22
         include:
         # Match kind images with chosen version https://github.com/kubernetes-sigs/kind/releases
+        # When using the same ruby version, please add an additonal space at the end of the value,
+        # otherwise the job won't be created. Example: - ruby: "3.1.2", other test: - ruby: "3.1.2 "
         - ruby: '3.1.2'
           kind_version: 'v0.14.0'
           kubernetes_version: '1.24.0'
@@ -32,27 +31,27 @@ jobs:
           kind_version: 'v0.14.0'
           kubernetes_version: '1.24.0'
           kind_image: 'kindest/node:v1.24.0@sha256:0866296e693efe1fed79d5e6c7af8df71fc73ae45e3679af05342239cdc5bc8e'
-        - ruby: '3.1.2'
+        - ruby: '3.1.2 '
           kind_version: 'v0.11.1'
           kubernetes_version: '1.23.0'
           kind_image: 'kindest/node:v1.23.0@sha256:49824ab1727c04e56a21a5d8372a402fcd32ea51ac96a2706a12af38934f81ac'
-        - ruby: '3.0.4'
+        - ruby: '3.0.4 '
           kind_version: 'v0.11.1'
           kubernetes_version: '1.23.0'
           kind_image: 'kindest/node:v1.23.0@sha256:49824ab1727c04e56a21a5d8372a402fcd32ea51ac96a2706a12af38934f81ac'
-        - ruby: '2.7.6'
+        - ruby: '2.7.6 '
           kind_version: 'v0.11.1'
           kubernetes_version: '1.23.0'
           kind_image: 'kindest/node:v1.23.0@sha256:49824ab1727c04e56a21a5d8372a402fcd32ea51ac96a2706a12af38934f81ac'
-        - ruby: '3.1.2'
+        - ruby: '3.1.2  '
           kind_version: 'v0.11.1'
           kubernetes_version: '1.22.0'
           kind_image: 'kindest/node:v1.22.0@sha256:b8bda84bb3a190e6e028b1760d277454a72267a5454b57db34437c34a588d047'
-        - ruby: '3.0.4'
+        - ruby: '3.0.4  '
           kind_version: 'v0.11.1'
           kubernetes_version: '1.22.0'
           kind_image: 'kindest/node:v1.22.0@sha256:b8bda84bb3a190e6e028b1760d277454a72267a5454b57db34437c34a588d047'
-        - ruby: '2.7.6'
+        - ruby: '2.7.6  '
           kind_version: 'v0.11.1'
           kubernetes_version: '1.22.0'
           kind_image: 'kindest/node:v1.22.0@sha256:b8bda84bb3a190e6e028b1760d277454a72267a5454b57db34437c34a588d047'