diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1b2686e2..c0e7850a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,7 +40,7 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@3a919529898de77ec3da873e3063ca4b10e7f5cc # v3.7.0
         with:
-          version: v1.54.2
+          version: v1.55.2
 
   shellcheck:
     name: Shellcheck
diff --git a/Makefile b/Makefile
index 1fb79240..d28c5905 100644
--- a/Makefile
+++ b/Makefile
@@ -33,7 +33,7 @@ SETUP_ENVTEST_VER := v0.0.0-20211110210527-619e6b92dab9
 SETUP_ENVTEST_BIN := setup-envtest
 SETUP_ENVTEST := $(abspath $(BIN_DIR)/$(SETUP_ENVTEST_BIN))
 
-GOLANGCI_LINT_VER := v1.54.2
+GOLANGCI_LINT_VER := v1.55.2
 GOLANGCI_LINT_BIN := golangci-lint
 GOLANGCI_LINT := $(BIN_DIR)/$(GOLANGCI_LINT_BIN)
 
diff --git a/controllers/admissionpolicy_controller_test.go b/controllers/admissionpolicy_controller_test.go
index 80df5471..649139c0 100644
--- a/controllers/admissionpolicy_controller_test.go
+++ b/controllers/admissionpolicy_controller_test.go
@@ -21,8 +21,8 @@ import (
 	"time"
 
 	policiesv1 "github.com/kubewarden/kubewarden-controller/pkg/apis/policies/v1"
-	. "github.com/onsi/ginkgo/v2"
-	. "github.com/onsi/gomega"
+	. "github.com/onsi/ginkgo/v2" //nolint:revive
+	. "github.com/onsi/gomega"    //nolint:revive
 )
 
 var _ = Describe("Given an AdmissionPolicy", func() {
diff --git a/controllers/clusteradmissionpolicy_controller_test.go b/controllers/clusteradmissionpolicy_controller_test.go
index f66bbdaf..1fdca5ab 100644
--- a/controllers/clusteradmissionpolicy_controller_test.go
+++ b/controllers/clusteradmissionpolicy_controller_test.go
@@ -21,8 +21,8 @@ import (
 	"time"
 
 	policiesv1 "github.com/kubewarden/kubewarden-controller/pkg/apis/policies/v1"
-	. "github.com/onsi/ginkgo/v2"
-	. "github.com/onsi/gomega"
+	. "github.com/onsi/ginkgo/v2" //nolint:revive
+	. "github.com/onsi/gomega"    //nolint:revive
 )
 
 var _ = Describe("Given a ClusterAdmissionPolicy", func() {
diff --git a/controllers/policyserver_controller_test.go b/controllers/policyserver_controller_test.go
index f77cfef4..432163e4 100644
--- a/controllers/policyserver_controller_test.go
+++ b/controllers/policyserver_controller_test.go
@@ -21,8 +21,8 @@ import (
 	"time"
 
 	policiesv1 "github.com/kubewarden/kubewarden-controller/pkg/apis/policies/v1"
-	. "github.com/onsi/ginkgo/v2"
-	. "github.com/onsi/gomega"
+	. "github.com/onsi/ginkgo/v2" //nolint:revive
+	. "github.com/onsi/gomega"    //nolint:revive
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
 	"github.com/kubewarden/kubewarden-controller/internal/pkg/constants"
diff --git a/controllers/suite_test.go b/controllers/suite_test.go
index 78d540e7..b8cc58f2 100644
--- a/controllers/suite_test.go
+++ b/controllers/suite_test.go
@@ -23,8 +23,8 @@ import (
 	"testing"
 
 	policiesv1 "github.com/kubewarden/kubewarden-controller/pkg/apis/policies/v1"
-	. "github.com/onsi/ginkgo/v2"
-	. "github.com/onsi/gomega"
+	. "github.com/onsi/ginkgo/v2" //nolint:revive
+	. "github.com/onsi/gomega"    //nolint:revive
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/kubernetes/scheme"
diff --git a/controllers/utils_test.go b/controllers/utils_test.go
index 806cda9b..5df639c6 100644
--- a/controllers/utils_test.go
+++ b/controllers/utils_test.go
@@ -22,7 +22,7 @@ import (
 	policiesv1 "github.com/kubewarden/kubewarden-controller/pkg/apis/policies/v1"
 	"github.com/onsi/gomega/types"
 
-	. "github.com/onsi/gomega"
+	. "github.com/onsi/gomega" //nolint:revive
 
 	admissionregistrationv1 "k8s.io/api/admissionregistration/v1"
 	corev1 "k8s.io/api/core/v1"
diff --git a/internal/pkg/admission/policy-server-deployment.go b/internal/pkg/admission/policy-server-deployment.go
index 08e8deda..f9e6e79d 100644
--- a/internal/pkg/admission/policy-server-deployment.go
+++ b/internal/pkg/admission/policy-server-deployment.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"path/filepath"
 	"reflect"
+	"strconv"
 
 	policiesv1 "github.com/kubewarden/kubewarden-controller/pkg/apis/policies/v1"
 	appsv1 "k8s.io/api/apps/v1"
@@ -237,7 +238,7 @@ func (r *Reconciler) deployment(configMapVersion string, policyServer *policiesv
 			},
 			{
 				Name:  "KUBEWARDEN_PORT",
-				Value: fmt.Sprintf("%d", constants.PolicyServerPort),
+				Value: strconv.Itoa(constants.PolicyServerPort),
 			},
 			{
 				Name:  "KUBEWARDEN_POLICIES_DOWNLOAD_DIR",
diff --git a/pkg/apis/policies/v1/webhook_suite_test.go b/pkg/apis/policies/v1/webhook_suite_test.go
index 16945fb6..682d60a2 100644
--- a/pkg/apis/policies/v1/webhook_suite_test.go
+++ b/pkg/apis/policies/v1/webhook_suite_test.go
@@ -25,8 +25,8 @@ import (
 	"testing"
 	"time"
 
-	. "github.com/onsi/ginkgo/v2"
-	. "github.com/onsi/gomega"
+	. "github.com/onsi/ginkgo/v2" //nolint:revive
+	. "github.com/onsi/gomega"    //nolint:revive
 
 	admissionv1beta1 "k8s.io/api/admission/v1beta1"
 	metricsserver "sigs.k8s.io/controller-runtime/pkg/metrics/server"