diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index daba9727..132717b0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,6 +16,6 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-go@v4
       with:
-        go-version: '1.20'
+        go-version: '1.21'
     - name: Run Dagger pipeline
       run: go run ci/main.go
\ No newline at end of file
diff --git a/ci/main.go b/ci/main.go
index e8b5cf2e..912f1bc6 100644
--- a/ci/main.go
+++ b/ci/main.go
@@ -7,8 +7,8 @@ import (
 	"dagger.io/dagger"
 )
 
-// use golang:1.20.6 container as builder
-const goImage = "golang:1.20.6"
+// use golang:1.21.0 container as builder
+const goImage = "golang:1.21.0"
 
 func main() {
 	println("Dagger is a programmable CI/CD engine that runs your pipelines in containers.")