diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 17ce3d47..4097cc8f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -27,7 +27,7 @@ jobs:
 
       - uses: actions/setup-go@v4
         with:
-          go-version: ^1.20
+          go-version: ^1.21
 
       - name: Get Linux dev libraries and tools
         if: matrix.os == 'ubuntu-latest'
diff --git a/Dockerfile b/Dockerfile
index 7fe08cd8..78e13f7e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG VERSION=master
 
 # base build stage
 FROM ubuntu:lunar AS build0
-ARG GO=1.20.4
+ARG GO=1.21.0
 ARG GO_DIST=go${GO}.linux-amd64.tar.gz
 
 ADD https://go.dev/dl/$GO_DIST ./