diff --git a/.github/workflows/test-action.yml b/.github/workflows/test-action.yml
index 9290efb..289e70e 100644
--- a/.github/workflows/test-action.yml
+++ b/.github/workflows/test-action.yml
@@ -78,7 +78,7 @@ jobs:
     - name: Set up Helm
       uses: azure/setup-helm@fe7b79cd5ee1e45176fcad797de68ecaf3ca4814 # v4.2.0
       with:
-        version: v3.14.4
+        version: v3.17.0
 
     - uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
       with:
diff --git a/README.md b/README.md
index 6ba1708..1272521 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ jobs:
           check-latest: true
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.8.0
+        uses: helm/chart-testing-action@v2.7.0
 
       - name: Run chart-testing (list-changed)
         id: list-changed
diff --git a/action.yml b/action.yml
index e1edb1d..146d154 100644
--- a/action.yml
+++ b/action.yml
@@ -6,7 +6,7 @@ branding:
   icon: anchor
 inputs:
   version:
-    description: "The chart-testing version to install (default: 3.10.1)"
+    description: "The chart-testing version to install (default: 3.12.0)"
     required: false
     default: '3.12.0'
   yamllint_version:
@@ -14,7 +14,7 @@ inputs:
     required: false
     default: '1.33.0'
   yamale_version:
-    description: "The yamale version to install (default: 3.0.4)"
+    description: "The yamale version to install (default: 4.0.4)"
     required: false
     default: '4.0.4'
 runs: