diff --git a/examples/simple-udp/server/Dockerfile b/examples/simple-udp/server/Dockerfile
index 956c41c2e1..8dd66e521e 100644
--- a/examples/simple-udp/server/Dockerfile
+++ b/examples/simple-udp/server/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM alpine:3.6
+FROM alpine:3.7
 
 COPY ./bin/server /home/server/server
 RUN adduser -D server && \
diff --git a/gameservers/controller/Dockerfile b/gameservers/controller/Dockerfile
index bd8763099b..67ed5392d0 100644
--- a/gameservers/controller/Dockerfile
+++ b/gameservers/controller/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.6
+FROM alpine:3.7
 
 COPY ./bin/controller /home/agon/controller
 RUN apk --update add ca-certificates && \
diff --git a/gameservers/sidecar/Dockerfile b/gameservers/sidecar/Dockerfile
index 335996a85d..8cbcab56b4 100644
--- a/gameservers/sidecar/Dockerfile
+++ b/gameservers/sidecar/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.6
+FROM alpine:3.7
 
 COPY ./bin/sidecar.linux.amd64 /home/agon/sidecar
 RUN apk --update add ca-certificates && \