diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 7af11c277..6c58b5d0f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -75,7 +75,7 @@ jobs:
         id: go
         uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
         with:
-          go-version: '1.21.3'
+          go-version: '1.21.5'
           check-latest: true
 
       - name: Run test
@@ -96,7 +96,7 @@ jobs:
         id: go
         uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
         with:
-          go-version: '1.21.3'
+          go-version: '1.21.5'
           check-latest: true
 
       - name: Set up QEMU
@@ -160,7 +160,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
         with:
-          go-version: '1.21.3'
+          go-version: '1.21.5'
           check-latest: true
 
       - name: Install Helm Unit Test Plugin
@@ -510,7 +510,7 @@ jobs:
         if: ${{ steps.filter-images.outputs.kube-webhook-certgen == 'true' }}
         uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
         with:
-          go-version: '1.21.3'
+          go-version: '1.21.5'
           check-latest: true
 
       - name: kube-webhook-certgen image build
diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index d3118d469..530879cdf 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -25,7 +25,7 @@ jobs:
         id: go
         uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
         with:
-          go-version: '1.21.3'
+          go-version: '1.21.5'
           check-latest: true
       
       - name: golangci-lint
diff --git a/.github/workflows/plugin.yaml b/.github/workflows/plugin.yaml
index ab88454fb..b7d6fa1a2 100644
--- a/.github/workflows/plugin.yaml
+++ b/.github/workflows/plugin.yaml
@@ -22,7 +22,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
         with:
-          go-version: '1.21.3'
+          go-version: '1.21.5'
           check-latest: true
 
       - name: Run GoReleaser
diff --git a/go.mod b/go.mod
index 8988b7461..817432787 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module k8s.io/ingress-nginx
 
-go 1.21.3
+go 1.21.5
 
 require (
 	dario.cat/mergo v1.0.0
diff --git a/go.work b/go.work
index 249976119..3dd9bfdee 100644
--- a/go.work
+++ b/go.work
@@ -1,4 +1,4 @@
-go 1.21.3
+go 1.21.5
 
 use (
 	.
diff --git a/images/custom-error-pages/rootfs/Dockerfile b/images/custom-error-pages/rootfs/Dockerfile
index 54b2a5cc7..3647788d4 100755
--- a/images/custom-error-pages/rootfs/Dockerfile
+++ b/images/custom-error-pages/rootfs/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.21.3-alpine3.18 as builder
+FROM golang:1.21.5-alpine3.18 as builder
 
 RUN apk update \
     && apk upgrade && apk add git
diff --git a/images/custom-error-pages/rootfs/go.mod b/images/custom-error-pages/rootfs/go.mod
index 50cfc2a19..ce0fffd4a 100644
--- a/images/custom-error-pages/rootfs/go.mod
+++ b/images/custom-error-pages/rootfs/go.mod
@@ -1,6 +1,6 @@
 module k8s.io/ingress-nginx/custom-error-pages
 
-go 1.21.3
+go 1.21.5
 
 require github.com/prometheus/client_golang v1.11.1
 
diff --git a/images/ext-auth-example-authsvc/rootfs/Dockerfile b/images/ext-auth-example-authsvc/rootfs/Dockerfile
index 96da802ce..f85698398 100644
--- a/images/ext-auth-example-authsvc/rootfs/Dockerfile
+++ b/images/ext-auth-example-authsvc/rootfs/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.3-alpine3.18 as builder
+FROM golang:1.21.5-alpine3.18 as builder
 RUN mkdir /authsvc
 WORKDIR /authsvc
 COPY . ./
diff --git a/images/ext-auth-example-authsvc/rootfs/go.mod b/images/ext-auth-example-authsvc/rootfs/go.mod
index e910e360c..3608868b3 100644
--- a/images/ext-auth-example-authsvc/rootfs/go.mod
+++ b/images/ext-auth-example-authsvc/rootfs/go.mod
@@ -1,6 +1,6 @@
 module example.com/authsvc
 
-go 1.21.3
+go 1.21.5
 
 require k8s.io/apimachinery v0.23.1
 
diff --git a/images/fastcgi-helloserver/rootfs/Dockerfile b/images/fastcgi-helloserver/rootfs/Dockerfile
index 92a5e8196..38d7f8ce0 100755
--- a/images/fastcgi-helloserver/rootfs/Dockerfile
+++ b/images/fastcgi-helloserver/rootfs/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.21.3-alpine3.18 as builder
+FROM golang:1.21.5-alpine3.18 as builder
 
 WORKDIR /go/src/k8s.io/ingress-nginx/images/fastcgi
 
diff --git a/images/go-grpc-greeter-server/rootfs/Dockerfile b/images/go-grpc-greeter-server/rootfs/Dockerfile
index 33cb35923..94e4b91ff 100644
--- a/images/go-grpc-greeter-server/rootfs/Dockerfile
+++ b/images/go-grpc-greeter-server/rootfs/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.3-alpine3.18 as build
+FROM golang:1.21.5-alpine3.18 as build
 
 WORKDIR /go/src/greeter-server
 
diff --git a/images/httpbun/rootfs/Dockerfile b/images/httpbun/rootfs/Dockerfile
index c84f17fd1..c4b1e6f9d 100644
--- a/images/httpbun/rootfs/Dockerfile
+++ b/images/httpbun/rootfs/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.21.3 AS builder
+FROM golang:1.21.5 AS builder
 
 ENV LC_ALL=C.UTF-8
 ENV LANG=C.UTF-8
diff --git a/images/kube-webhook-certgen/rootfs/Dockerfile b/images/kube-webhook-certgen/rootfs/Dockerfile
index 846e37aee..f20a295d3 100644
--- a/images/kube-webhook-certgen/rootfs/Dockerfile
+++ b/images/kube-webhook-certgen/rootfs/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM --platform=$BUILDPLATFORM golang:1.21.3 as builder
+FROM --platform=$BUILDPLATFORM golang:1.21.5 as builder
 ARG BUILDPLATFORM
 ARG TARGETARCH
 
diff --git a/images/kube-webhook-certgen/rootfs/go.mod b/images/kube-webhook-certgen/rootfs/go.mod
index b30fa5f27..893669c7b 100644
--- a/images/kube-webhook-certgen/rootfs/go.mod
+++ b/images/kube-webhook-certgen/rootfs/go.mod
@@ -1,6 +1,6 @@
 module github.com/jet/kube-webhook-certgen
 
-go 1.21.3
+go 1.21.5
 
 require (
 	github.com/onrik/logrus v0.9.0
diff --git a/images/opentelemetry/rootfs/go.mod b/images/opentelemetry/rootfs/go.mod
index 0f48b0988..f34dd98ff 100644
--- a/images/opentelemetry/rootfs/go.mod
+++ b/images/opentelemetry/rootfs/go.mod
@@ -1,3 +1,3 @@
 module init-otel
 
-go 1.21.3
+go 1.21.5
diff --git a/images/test-runner/Makefile b/images/test-runner/Makefile
index b70c57b7b..4cbde89fc 100644
--- a/images/test-runner/Makefile
+++ b/images/test-runner/Makefile
@@ -43,7 +43,7 @@ image:
 		--pull \
 		--push \
 		--build-arg BASE_IMAGE=${NGINX_BASE_IMAGE} \
-		--build-arg GOLANG_VERSION=1.21.3 \
+		--build-arg GOLANG_VERSION=1.21.5 \
 		--build-arg ETCD_VERSION=3.4.3-0 \
 		--build-arg K8S_RELEASE=v1.26.0 \
 		--build-arg RESTY_CLI_VERSION=0.27 \
@@ -64,7 +64,7 @@ build: ensure-buildx
 		--progress=${PROGRESS} \
 		--pull \
 		--build-arg BASE_IMAGE=${NGINX_BASE_IMAGE} \
-		--build-arg GOLANG_VERSION=1.21.3 \
+		--build-arg GOLANG_VERSION=1.21.5 \
 		--build-arg ETCD_VERSION=3.4.3-0 \
 		--build-arg K8S_RELEASE=v1.26.0 \
 		--build-arg RESTY_CLI_VERSION=0.27 \
diff --git a/magefiles/go.mod b/magefiles/go.mod
index db252f7c3..42e8fade0 100644
--- a/magefiles/go.mod
+++ b/magefiles/go.mod
@@ -1,6 +1,6 @@
 module k8s.io/ingress-nginx/magefiles
 
-go 1.21.3
+go 1.21.5
 
 require (
 	github.com/blang/semver/v4 v4.0.0