diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c2b5671..560ba48 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -18,10 +18,10 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-    - name: Set up Go 1.20
+    - name: Set up Go 1.21
       uses: actions/setup-go@v2
       with:
-        go-version: "1.20"
+        go-version: "1.21"
       id: go
     - name: Set up Go for root
       run: |
@@ -109,7 +109,7 @@ jobs:
         ssh -o StrictHostKeyChecking=no root@$CLUSTER_IP  "helm repo update"
         ssh -o StrictHostKeyChecking=no root@$CLUSTER_IP "kubectl create namespace cert-manager;helm install cert-manager jetstack/cert-manager --namespace cert-manager --version v1.7.0 --wait"
         ssh -o StrictHostKeyChecking=no root@$CLUSTER_IP  "kubectl -n default create secret docker-registry regcred --docker-server=https://index.docker.io/v1/ --docker-username=testbkop --docker-password=08d50da6-61bd-4953-a2ce-7d7a0e3835bc --docker-email=testbkop@gmail.com"
-        ssh -o StrictHostKeyChecking=no root@$CLUSTER_IP "bash < <(curl -s -S -L https://raw.githubusercontent.com/moovweb/gvm/master/binscripts/gvm-installer);source /root/.gvm/scripts/gvm;gvm install go1.20 --binary;gvm use go1.20 --default;git config --global --add safe.directory /root/bookkeeper-operator"
+        ssh -o StrictHostKeyChecking=no root@$CLUSTER_IP "bash < <(curl -s -S -L https://raw.githubusercontent.com/moovweb/gvm/master/binscripts/gvm-installer);source /root/.gvm/scripts/gvm;gvm install go1.21.0 --binary;gvm use go1.21.0 --default;git config --global --add safe.directory /root/bookkeeper-operator"
     - name: Running e2e
       run: |
         ssh -o StrictHostKeyChecking=no root@$CLUSTER_IP "cd /root/bookkeeper-operator;source /root/.gvm/scripts/gvm;make test-e2e"