diff --git a/cluster/addons/fluentd-elasticsearch/es-image/Dockerfile b/cluster/addons/fluentd-elasticsearch/es-image/Dockerfile
index 68097e73e7..58847372c9 100644
--- a/cluster/addons/fluentd-elasticsearch/es-image/Dockerfile
+++ b/cluster/addons/fluentd-elasticsearch/es-image/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.11.4 AS builder
+FROM golang:1.11.5 AS builder
 COPY elasticsearch_logging_discovery.go go.mod go.sum /
 RUN CGO_ENABLED=0 GOOS=linux GO111MODULE=on go build -a -ldflags "-w" -o /elasticsearch_logging_discovery /elasticsearch_logging_discovery.go
 
diff --git a/hack/.spelling_failures b/hack/.spelling_failures
index 573d1381a6..b3430faaf4 100644
--- a/hack/.spelling_failures
+++ b/hack/.spelling_failures
@@ -7,6 +7,7 @@ docs/man
 docs/user-guide
 generated.pb.go
 generated.proto
+go.mod
 go.sum
 pkg/client/clientset_generated
 pkg/client/informers/informers_generated/