diff --git a/docker-compose.travis.yml b/docker-compose.travis.yml
index f10e176b7..eb45447f8 100644
--- a/docker-compose.travis.yml
+++ b/docker-compose.travis.yml
@@ -1,4 +1,4 @@
-version: '3.5'
+version: '3.3'
 
 services:
   photoprism:
@@ -8,7 +8,6 @@ services:
     volumes:
       - "~/.cache/yarn:/root/.cache/yarn"
       - "~/.cache/go-mod:/go/pkg/mod"
-    shm_size: "2gb"
     environment:
       PHOTOPRISM_HTTP_HOST: "0.0.0.0"
       PHOTOPRISM_HTTP_PORT: 2342