diff --git a/Dockerfile b/Dockerfile
index 832a983e5d..8f9b982dcc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:14-buster-slim
+FROM node:14-buster-slim@sha256:8e2b1bf00c319363441e3211806c126c7b53f4a9d4c2219f6924af2c7be78872
 
 WORKDIR /app