diff --git a/controllers/gce/Dockerfile b/controllers/gce/Dockerfile
index 6ba8be13a..2c0e9555a 100644
--- a/controllers/gce/Dockerfile
+++ b/controllers/gce/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM alpine:3.5
+FROM alpine:3.6
 
 RUN apk add --no-cache ca-certificates