diff --git a/Dockerfile b/Dockerfile
index 7f88a4b5..ed5c9393 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:18-alpine
+FROM node:20-alpine@sha256:8bda036ddd59ea51a23bc1a1035d3b5c614e72c01366d989f4120e8adca196d4
 
 WORKDIR /app