diff --git a/samples/sidecar-proxy/Dockerfile b/samples/sidecar-proxy/Dockerfile
index 7f51bd34ba..a5765505b4 100644
--- a/samples/sidecar-proxy/Dockerfile
+++ b/samples/sidecar-proxy/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.23.4 as builder
+FROM golang:1.23.5 as builder
 WORKDIR /app
 RUN go mod init example-app
 RUN go get github.com/jackc/pgx/v4