diff --git a/docker-compose.yml b/docker-compose.yml
index ac729ab..7175e68 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,6 +6,6 @@ services:
       - ".:/plugin:ro"
 
   tests:
-    image: buildkite/plugin-tester:v4.0.0
+    image: buildkite/plugin-tester:v4.1.1
     volumes:
       - ".:/plugin"