diff --git a/.github/workflows/build_and_test.yaml b/.github/workflows/build_and_test.yaml
index c948d94f..5e4e0e0f 100644
--- a/.github/workflows/build_and_test.yaml
+++ b/.github/workflows/build_and_test.yaml
@@ -40,20 +40,20 @@ jobs:
       matrix:
         # see https://github.com/kubernetes-sigs/kind/releases for supported k8s versions per kind version
         k8s:
-          - maj_min: v1.23
-            digest: sha256:14d0a9a892b943866d7e6be119a06871291c517d279aedb816a4b4bc0ec0a5b3
-          - maj_min: v1.24
-            digest: sha256:bad10f9b98d54586cba05a7eaa1b61c6b90bfc4ee174fdc43a7b75ca75c95e51
           - maj_min: v1.25
-            digest: sha256:e8b50f8e06b44bb65a93678a65a26248fae585b3d3c2a669e5ca6c90c69dc519
+            digest: sha256:6110314339b3b44d10da7d27881849a87e092124afab5956f2e10ecdb463b025
           - maj_min: v1.26
-            digest: sha256:5d548739ddef37b9318c70cb977f57bf3e5015e4552be4e27e57280a8cbb8e4f
+            digest: sha256:1cc15d7b1edd2126ef051e359bf864f37bbcf1568e61be4d2ed1df7a3e87b354
           - maj_min: v1.27
-            digest: sha256:681253009e68069b8e01aad36a1e0fa8cf18bb0ab3e5c4069b2e65cafdd70843
+            digest: sha256:3fd82731af34efe19cd54ea5c25e882985bafa2c9baefe14f8deab1737d9fabe
           - maj_min: v1.28
-            digest: sha256:9bc6c451a289cf96ad0bbaf33d416901de6fd632415b076ab05f5fa7e4f65c58            
+            digest: sha256:45d319897776e11167e4698f6b14938eb4d52eb381d9e3d7a9086c16c69a8110
           - maj_min: v1.29
-            digest: sha256:51a1434a5397193442f0be2a297b488b6c919ce8a3931be0ce822606ea5ca245
+            digest: sha256:d46b7aa29567e93b27f7531d258c372e829d7224b25e3fc6ffdefed12476d3aa
+          - maj_min: v1.30
+            digest: sha256:976ea815844d5fa93be213437e3ff5754cd599b040946b5cca43ca45c2047114
+          - maj_min: v1.31
+            digest: sha256:53df588e04085fd41ae12de0c3fe4c72f7013bba32a20e7325357a1ac94ba865
     name: "Test on k8s ${{ matrix.k8s.maj_min }}"
     runs-on: ubuntu-latest
     steps:
@@ -61,7 +61,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Create k8s Kind Cluster
         # make sure the k8s versions match the kind version of the action version 🤯
-        uses: helm/kind-action@v1.10.0 # use kind release v0.22.0
+        uses: helm/kind-action@v1.11.0 # use kind release v0.24.0
         with:
           node_image: kindest/node@${{ matrix.k8s.digest }}
           config: test/kind-config.yaml
diff --git a/README.md b/README.md
index 6a589e8b..76509a11 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ All are identical multi-arch images built for `amd64`, `arm64`, `arm/v7`, `ppc64
 - Filter based on label
 - Update/Delete on change of configmap or secret
 - Enforce unique filenames
-- CI tests for k8s v1.23-v1.29
+- CI tests for k8s v1.25-v1.31
 - Support `binaryData` for both `Secret` and `ConfigMap` kinds
   - Binary data content is base64 decoded before generating the file on disk
   - Values can also be base64 encoded URLs that download binary data e.g. executables