diff --git a/Versions/3.0.2/Dockerfile b/Versions/3.0.2/Dockerfile
index cf668ac..afbe4ab 100644
--- a/Versions/3.0.2/Dockerfile
+++ b/Versions/3.0.2/Dockerfile
@@ -1 +1 @@
-FROM swift:3.0.2
+FROM swift:3.1.1