diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 900c85fd..0ce9b372 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,10 +19,10 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
 
-      - name: Set up Go 1.25
+      - name: Set up Go 1.27
         uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5.6.0
         with:
-          go-version: '1.25'
+          go-version: '1.27'
         id: go
 
       - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
diff --git a/Makefile b/Makefile
index 3c808bdc..0dcc65dd 100644
--- a/Makefile
+++ b/Makefile
@@ -56,10 +56,10 @@ BIN_PLATFORMS    := $(DOCKER_PLATFORMS) windows/amd64 darwin/amd64
 OS   := $(if $(GOOS),$(GOOS),$(shell go env GOOS))
 ARCH := $(if $(GOARCH),$(GOARCH),$(shell go env GOARCH))
 
-BASEIMAGE_PROD   ?= gcr.io/distroless/static-debian12
-BASEIMAGE_DBG    ?= debian:12
+BASEIMAGE_PROD   ?= gcr.io/distroless/static-debian13
+BASEIMAGE_DBG    ?= debian:13
 
-GO_VERSION       ?= 1.25
+GO_VERSION       ?= 1.27
 BUILD_IMAGE      ?= ghcr.io/appscode/golang-dev:$(GO_VERSION)
 
 OUTBIN = bin/$(OS)_$(ARCH)/$(BIN)
diff --git a/client/builder.go b/client/builder.go
index bbe81b6f..745da4d5 100644
--- a/client/builder.go
+++ b/client/builder.go
@@ -156,7 +156,8 @@ func (r *ClientBuilder) Setup() error {
 				return []string{"true"}
 			}
 			return nil
-		}); err != nil {
+		},
+	); err != nil {
 		return err
 	}
 
diff --git a/prometheus/v1/kubernetes.go b/prometheus/v1/kubernetes.go
index e7fa02be..cfb68494 100644
--- a/prometheus/v1/kubernetes.go
+++ b/prometheus/v1/kubernetes.go
@@ -59,7 +59,8 @@ func AssignTypeKind(v any) error {
 }
 
 func addKnownTypes(s *runtime.Scheme) error {
-	s.AddKnownTypes(SchemeGroupVersion,
+	s.AddKnownTypes(
+		SchemeGroupVersion,
 		&api.Prometheus{},
 		&api.PrometheusList{},
 
@@ -70,7 +71,8 @@ func addKnownTypes(s *runtime.Scheme) error {
 		&api.AlertmanagerList{},
 	)
 
-	s.AddKnownTypes(SchemeGroupVersion,
+	s.AddKnownTypes(
+		SchemeGroupVersion,
 		&metav1.Status{},
 	)
 	metav1.AddToGroupVersion(s, SchemeGroupVersion)