diff --git a/.github/workflows/multiarch-build.yaml b/.github/workflows/multiarch-build.yaml
index 4fec998ff838..90bb4ea2f9d8 100644
--- a/.github/workflows/multiarch-build.yaml
+++ b/.github/workflows/multiarch-build.yaml
@@ -8,3 +8,5 @@ jobs:
   multiarch-build:
     uses: openshift-knative/hack/.github/workflows/multiarch-build.yaml@main
     secrets: inherit
+    with:
+      goversion: '1.21.x'
diff --git a/.github/workflows/validate.yaml b/.github/workflows/validate.yaml
index e565ac97d316..8d91016a0738 100644
--- a/.github/workflows/validate.yaml
+++ b/.github/workflows/validate.yaml
@@ -18,7 +18,7 @@ jobs:
       - name: Setup Golang
         uses: actions/setup-go@v4
         with:
-          go-version: 1.19.x
+          go-version: 1.21.x
 
       - name: Checkout
         uses: actions/checkout@v3
@@ -48,10 +48,10 @@ jobs:
     env:
       GOPATH: ${{ github.workspace }}
     steps:
-      - name: Set up Go 1.19.x
+      - name: Set up Go 1.21.x
         uses: actions/setup-go@v4
         with:
-          go-version: 1.19.x
+          go-version: 1.21.x
 
       - name: Checkout
         uses: actions/checkout@v2
diff --git a/.github/workflows/vulncheck.yaml b/.github/workflows/vulncheck.yaml
index e546ddfb39df..7b59589f5cf1 100644
--- a/.github/workflows/vulncheck.yaml
+++ b/.github/workflows/vulncheck.yaml
@@ -19,10 +19,10 @@ jobs:
     env:
       GOPATH: ${{ github.workspace }}
     steps:
-      - name: Set up Go 1.18.x
-        uses: actions/setup-go@v2
+      - name: Set up Go 1.21.x
+        uses: actions/setup-go@v4
         with:
-          go-version: 1.18.x
+          go-version: 1.21.x
 
       - name: Checkout
         uses: actions/checkout@v2
diff --git a/openshift/ci-operator/Dockerfile.in b/openshift/ci-operator/Dockerfile.in
index 32b94bfb199c..f56da1178789 100644
--- a/openshift/ci-operator/Dockerfile.in
+++ b/openshift/ci-operator/Dockerfile.in
@@ -1,5 +1,5 @@
 # Do not edit! This file was generated via Makefile
-FROM registry.ci.openshift.org/openshift/release:golang-1.19 as builder
+FROM registry.ci.openshift.org/openshift/release:golang-1.21 as builder
 
 COPY . .
 RUN make install test-install
diff --git a/openshift/ci-operator/Dockerfile_with_kodata.in b/openshift/ci-operator/Dockerfile_with_kodata.in
index 00de7209562b..e623a5eae3e3 100644
--- a/openshift/ci-operator/Dockerfile_with_kodata.in
+++ b/openshift/ci-operator/Dockerfile_with_kodata.in
@@ -1,5 +1,5 @@
 # Do not edit! This file was generated via Makefile
-FROM registry.ci.openshift.org/openshift/release:golang-1.19 as builder
+FROM registry.ci.openshift.org/openshift/release:golang-1.21 as builder
 
 COPY . .
 RUN make install test-install
diff --git a/openshift/ci-operator/build-image/Dockerfile b/openshift/ci-operator/build-image/Dockerfile
index 4403c7c99fcb..8ddd9839a436 100644
--- a/openshift/ci-operator/build-image/Dockerfile
+++ b/openshift/ci-operator/build-image/Dockerfile
@@ -1,6 +1,6 @@
 # Dockerfile to bootstrap build and test in openshift-ci
 
-FROM registry.ci.openshift.org/openshift/release:golang-1.19
+FROM registry.ci.openshift.org/openshift/release:golang-1.21
 
 # Add kubernetes repository
 ADD openshift/ci-operator/build-image/kubernetes.repo /etc/yum.repos.d/
diff --git a/openshift/ci-operator/knative-perf-images/dataplane-probe/Dockerfile b/openshift/ci-operator/knative-perf-images/dataplane-probe/Dockerfile
index 38e7b864a153..97a3f4db019a 100644
--- a/openshift/ci-operator/knative-perf-images/dataplane-probe/Dockerfile
+++ b/openshift/ci-operator/knative-perf-images/dataplane-probe/Dockerfile
@@ -1,5 +1,5 @@
 # Do not edit! This file was generated via Makefile
-FROM registry.ci.openshift.org/openshift/release:golang-1.19 as builder
+FROM registry.ci.openshift.org/openshift/release:golang-1.21 as builder
 
 COPY . .
 
diff --git a/openshift/ci-operator/knative-perf-images/load-test/Dockerfile b/openshift/ci-operator/knative-perf-images/load-test/Dockerfile
index cc7935e16892..b0bd55a48ed6 100644
--- a/openshift/ci-operator/knative-perf-images/load-test/Dockerfile
+++ b/openshift/ci-operator/knative-perf-images/load-test/Dockerfile
@@ -1,5 +1,5 @@
 # Do not edit! This file was generated via Makefile
-FROM registry.ci.openshift.org/openshift/release:golang-1.19 as builder
+FROM registry.ci.openshift.org/openshift/release:golang-1.21 as builder
 
 COPY . .
 
diff --git a/openshift/ci-operator/knative-perf-images/real-traffic-test/Dockerfile b/openshift/ci-operator/knative-perf-images/real-traffic-test/Dockerfile
index ac4d4f898932..f72c0cacc6a8 100644
--- a/openshift/ci-operator/knative-perf-images/real-traffic-test/Dockerfile
+++ b/openshift/ci-operator/knative-perf-images/real-traffic-test/Dockerfile
@@ -1,5 +1,5 @@
 # Do not edit! This file was generated via Makefile
-FROM registry.ci.openshift.org/openshift/release:golang-1.19 as builder
+FROM registry.ci.openshift.org/openshift/release:golang-1.21 as builder
 
 COPY . .
 
diff --git a/openshift/ci-operator/knative-perf-images/reconciliation-delay/Dockerfile b/openshift/ci-operator/knative-perf-images/reconciliation-delay/Dockerfile
index 7d6f3c0bf0d1..c878975290b2 100644
--- a/openshift/ci-operator/knative-perf-images/reconciliation-delay/Dockerfile
+++ b/openshift/ci-operator/knative-perf-images/reconciliation-delay/Dockerfile
@@ -1,5 +1,5 @@
 # Do not edit! This file was generated via Makefile
-FROM registry.ci.openshift.org/openshift/release:golang-1.19 as builder
+FROM registry.ci.openshift.org/openshift/release:golang-1.21 as builder
 
 COPY . .
 
diff --git a/openshift/ci-operator/knative-perf-images/rollout-probe/Dockerfile b/openshift/ci-operator/knative-perf-images/rollout-probe/Dockerfile
index f371afab48e2..d26d71189ce3 100644
--- a/openshift/ci-operator/knative-perf-images/rollout-probe/Dockerfile
+++ b/openshift/ci-operator/knative-perf-images/rollout-probe/Dockerfile
@@ -1,5 +1,5 @@
 # Do not edit! This file was generated via Makefile
-FROM registry.ci.openshift.org/openshift/release:golang-1.19 as builder
+FROM registry.ci.openshift.org/openshift/release:golang-1.21 as builder
 
 COPY . .
 
diff --git a/openshift/ci-operator/knative-perf-images/scale-from-zero/Dockerfile b/openshift/ci-operator/knative-perf-images/scale-from-zero/Dockerfile
index 1b331b140ed4..cbf8cc4aaf90 100644
--- a/openshift/ci-operator/knative-perf-images/scale-from-zero/Dockerfile
+++ b/openshift/ci-operator/knative-perf-images/scale-from-zero/Dockerfile
@@ -1,5 +1,5 @@
 # Do not edit! This file was generated via Makefile
-FROM registry.ci.openshift.org/openshift/release:golang-1.19 as builder
+FROM registry.ci.openshift.org/openshift/release:golang-1.21 as builder
 
 COPY . .
 
diff --git a/openshift/performance/patches/perf.patch b/openshift/performance/patches/perf.patch
index 09470e3b5bd4..e47d31a7e6c1 100644
--- a/openshift/performance/patches/perf.patch
+++ b/openshift/performance/patches/perf.patch
@@ -54,8 +54,8 @@ index 32b94bfb1..ce192d43d 100644
 --- a/openshift/ci-operator/Dockerfile.in
 +++ b/openshift/ci-operator/Dockerfile.in
 @@ -2,7 +2,7 @@
- FROM registry.ci.openshift.org/openshift/release:golang-1.19 as builder
- 
+ FROM registry.ci.openshift.org/openshift/release:golang-1.21 as builder
+
  COPY . .
 -RUN make install test-install
 +RUN make install test-install perf-install
@@ -67,8 +67,8 @@ index 00de72095..0422ce541 100644
 --- a/openshift/ci-operator/Dockerfile_with_kodata.in
 +++ b/openshift/ci-operator/Dockerfile_with_kodata.in
 @@ -2,7 +2,7 @@
- FROM registry.ci.openshift.org/openshift/release:golang-1.19 as builder
- 
+ FROM registry.ci.openshift.org/openshift/release:golang-1.21 as builder
+
  COPY . .
 -RUN make install test-install
 +RUN make install test-install perf-install