diff --git a/deploy/Dockerfile b/deploy/Dockerfile
index d20dabafe..335d83841 100644
--- a/deploy/Dockerfile
+++ b/deploy/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.20 AS builder
+FROM golang:1.21 AS builder
 WORKDIR /src
 
 # This arg is passed by docker buildx & contains the target CPU architecture (e.g., amd64, arm64, etc.)