diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 49eadcb..9f27336 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-version: '3'
+version: '2'
 services:
   # dfdewey:
     # build: