diff --git a/tests/Dockerfile b/tests/Dockerfile
index ada4918..8b7b60a 100644
--- a/tests/Dockerfile
+++ b/tests/Dockerfile
@@ -1,3 +1,3 @@
-# syntax=docker/dockerfile:1.6
+# syntax=docker/dockerfile:1.9
 # this is here so we can grab the latest version of the collector and have dependabot keep it up to date
 FROM otel/opentelemetry-collector-contrib:0.107.0