diff --git a/Dockerfile b/Dockerfile
index a45a4586..e1452848 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM uber/web-base-image:1.0.0
+FROM uber/web-base-image:1.0.0@sha256:ae4686cb70626cfa94bc06825deea7d23ef904214d82b06d5a7e5365e60a3311
 
 WORKDIR /fusion-plugin-universal-events