diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 7ba47af..f53cf9f 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -19,7 +19,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v3
       with:
-        go-version: "1.20"
+        go-version: "1.21"
 
     - name: Lint
       run: make lint
diff --git a/.github/workflows/local-run.yml b/.github/workflows/local-run.yml
index 600140b..223c48e 100644
--- a/.github/workflows/local-run.yml
+++ b/.github/workflows/local-run.yml
@@ -22,7 +22,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v3
       with:
-        go-version: "1.20"
+        go-version: "1.21"
 
     - name: Locally run oval with MinIO
       env:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 540625b..8cbdc77 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,7 +20,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v3
       with:
-        go-version: "1.20"
+        go-version: "1.21"
 
     - name: Build
       run: make
diff --git a/Dockerfile b/Dockerfile
index 37e9603..3669709 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Stage 1
-FROM golang:1.20 AS builder
+FROM golang:1.21 AS builder
 
 WORKDIR /go/src/github.com/
 COPY . oval
diff --git a/go.mod b/go.mod
index b346c1f..945e17b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/peng225/oval
 
-go 1.20
+go 1.21
 
 require (
 	github.com/aws/aws-sdk-go-v2 v1.22.1
diff --git a/go.sum b/go.sum
index 76e1814..7e67a87 100644
--- a/go.sum
+++ b/go.sum
@@ -44,6 +44,7 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/felixge/fgprof v0.9.3 h1:VvyZxILNuCiUCSXtPtYmmtGvb65nqXh2QFWc0Wpf2/g=
 github.com/felixge/fgprof v0.9.3/go.mod h1:RdbpDgzqYVh/T9fPELJyV7EYJuHB55UTEULNun8eiPw=
 github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
+github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/pprof v0.0.0-20211214055906-6f57359322fd/go.mod h1:KgnwoLYCZ8IQu3XUZ8Nc/bM9CCZFOyjUNOSygVozoDg=
 github.com/google/pprof v0.0.0-20221219190121-3cb0bae90811 h1:wORs2YN3R3ona/CXYuTvLM31QlgoNKHvlCNuArCDDCU=
 github.com/google/pprof v0.0.0-20221219190121-3cb0bae90811/go.mod h1:dDKJzRmX4S37WGHujM7tX//fmj1uioxKzKxz3lo4HJo=