diff --git a/docker-compose.debug.yml b/docker-compose.debug.yml
index 575a5d05d9a3f13308e1a7412201965117ab68f7..1c1565c84475cceaf1b5122386b9cdae81b2426e 100644
--- a/docker-compose.debug.yml
+++ b/docker-compose.debug.yml
@@ -1,4 +1,4 @@
-version: '3.1'
+version: '3.4'
 services:
   rekor-server-debug:
     build:
diff --git a/docker-compose.yml b/docker-compose.yml
index be6962b143c67d0ce1d3ddc065708ebd6a1f3daa..c5dc82277037d79c4ea67c7995c0f56ae7acd8d0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,4 @@
-version: '3.1'
+version: '3.4'
 services:
   mysql:
     image: gcr.io/trillian-opensource-ci/db_server:3c8193ebb2d7fedb44d18e9c810d0d2e4dbb7e4d