diff --git a/test-envs/docker-compose-3.3-mysql.yml b/test-envs/docker-compose-3.3-mysql.yml
index fe6891be..67e67f17 100644
--- a/test-envs/docker-compose-3.3-mysql.yml
+++ b/test-envs/docker-compose-3.3-mysql.yml
@@ -10,7 +10,7 @@ services:
   web:
     build:
       context: ..
-      dockerfile: Dockerfile-3.3
+      dockerfile: Dockerfile
     environment:
       # These are set in script/ci-build, so we need to pass-thru them.
       RAILS_ENV: $RAILS_ENV
diff --git a/test-envs/docker-compose-3.3-postgres.yml b/test-envs/docker-compose-3.3-postgres.yml
index 759c880f..a66d41b2 100644
--- a/test-envs/docker-compose-3.3-postgres.yml
+++ b/test-envs/docker-compose-3.3-postgres.yml
@@ -10,7 +10,7 @@ services:
   web:
     build:
       context: ..
-      dockerfile: Dockerfile-3.3
+      dockerfile: Dockerfile
     environment:
       # These are set in script/ci-build, so we need to pass-thru them.
       RAILS_ENV: $RAILS_ENV
diff --git a/test-envs/docker-compose-3.3-sqlite.yml b/test-envs/docker-compose-3.3-sqlite.yml
index e838d3bb..4fd50bd5 100644
--- a/test-envs/docker-compose-3.3-sqlite.yml
+++ b/test-envs/docker-compose-3.3-sqlite.yml
@@ -3,7 +3,7 @@ services:
   web:
     build:
       context: ..
-      dockerfile: Dockerfile-3.3
+      dockerfile: Dockerfile
     environment:
       # These are set in script/ci-build, so we need to pass-thru them.
       RAILS_ENV: $RAILS_ENV