diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0cf19a8e3..4fc4839ee 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Go
         uses: actions/setup-go@v6
@@ -53,7 +53,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Go
         uses: actions/setup-go@v6
@@ -72,7 +72,7 @@ jobs:
           chmod -R 755 ~/.cache/go-build
 
       - name: License cache
-        uses: actions/cache/restore@v5
+        uses: actions/cache/restore@v6
         with:
           path: .licensei.cache
           key: ci-license-v1-${{ hashFiles('**/go.sum') }}
@@ -120,7 +120,7 @@ jobs:
           make test
 
       - name: Save license cache
-        uses: actions/cache/save@v5
+        uses: actions/cache/save@v6
         with:
           path: .licensei.cache
           key: ci-license-v1-${{ hashFiles('**/go.sum') }}
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 0a36ba71a..46c680ca3 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -43,7 +43,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/e2e-test.yaml b/.github/workflows/e2e-test.yaml
index 005ae2e82..a69c7356d 100644
--- a/.github/workflows/e2e-test.yaml
+++ b/.github/workflows/e2e-test.yaml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Clean workspace
         run: |
@@ -34,7 +34,7 @@ jobs:
       - name: Setup Helm
         uses: azure/setup-helm@v5
         with:
-          version: '3.19.0'
+          version: '4.2.2'
 
       - name: Clean Go module cache
         run: |
diff --git a/.github/workflows/operator-release.yml b/.github/workflows/operator-release.yml
index af2150adc..b5d085a99 100644
--- a/.github/workflows/operator-release.yml
+++ b/.github/workflows/operator-release.yml
@@ -40,7 +40,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Set up Go 1.25
         uses: actions/setup-go@v6
         with:
@@ -72,7 +72,7 @@ jobs:
       packages: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v4
       - name: Set up Docker Buildx
@@ -122,7 +122,7 @@ jobs:
       packages: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Update Chart.yaml version, values.yaml image tag, and README.md
         run: |
           sed -i "s/^version:.*/version: \"${{ needs.prepare.outputs.tag }}\"/" charts/kafka-operator/Chart.yaml
diff --git a/.github/workflows/publish-kafka-docker.yml b/.github/workflows/publish-kafka-docker.yml
index d19490b77..c534b0a35 100644
--- a/.github/workflows/publish-kafka-docker.yml
+++ b/.github/workflows/publish-kafka-docker.yml
@@ -43,7 +43,7 @@ jobs:
       packages: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v4
       - name: Set up Docker Buildx
@@ -115,7 +115,7 @@ jobs:
       packages: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v4
       - name: Set up Docker Buildx
diff --git a/.github/workflows/update-go-deps.yml b/.github/workflows/update-go-deps.yml
index 6c26030be..7b7eb4da8 100644
--- a/.github/workflows/update-go-deps.yml
+++ b/.github/workflows/update-go-deps.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           ref: master
           fetch-depth: 0
diff --git a/tests/e2e/versions.go b/tests/e2e/versions.go
index dff0bb56a..5b6fd90c3 100644
--- a/tests/e2e/versions.go
+++ b/tests/e2e/versions.go
@@ -25,7 +25,7 @@ const (
 	ContourVersion = "0.6.0" // renovate: datasource=helm depName=contour registryUrl=https://projectcontour.github.io/helm-charts
 
 	// PrometheusOperatorVersion is the version of kube-prometheus-stack Helm chart
-	PrometheusOperatorVersion = "86.1.0" // renovate: datasource=helm depName=kube-prometheus-stack registryUrl=https://prometheus-community.github.io/helm-charts
+	PrometheusOperatorVersion = "87.2.1" // renovate: datasource=helm depName=kube-prometheus-stack registryUrl=https://prometheus-community.github.io/helm-charts
 
 	// ZookeeperOperatorVersion is the version of zookeeper-operator
 	ZookeeperOperatorVersion = "0.2.15-adobe-20250923" // renovate: datasource=docker depName=ghcr.io/adobe/helm-charts/zookeeper-operator