diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 51d9f00..135e536 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
       - run: git fetch --force --tags
       - uses: actions/setup-go@v3
         with:
-          go-version: '1.20'
+          go-version: '1.21'
           cache: true
       # More assembly might be required: Docker logins, GPG, etc. It all depends
       # on your needs.
diff --git a/Dockerfile b/Dockerfile
index af255ab..664347d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.20-alpine as builder
+FROM --platform=$BUILDPLATFORM golang:1.21-alpine as builder
 
 # Convert TARGETPLATFORM to GOARCH format
 # https://github.com/tonistiigi/xx