diff --git a/packages/element-web-module-api/Dockerfile b/packages/element-web-module-api/Dockerfile
index 00d0e42fac..2caff17d2b 100644
--- a/packages/element-web-module-api/Dockerfile
+++ b/packages/element-web-module-api/Dockerfile
@@ -1,6 +1,6 @@
-ARG ELEMENT_VERSION=latest
+ARG ELEMENT_VERSION=latest@sha256:e2099ff363200f1e972a651170f7151c416acdbe3c1aa7715cd6c11f80ef1268
 
-FROM --platform=$BUILDPLATFORM node:lts-alpine AS builder
+FROM --platform=$BUILDPLATFORM node:lts-alpine@sha256:2867d550cf9d8bb50059a0fff528741f11a84d985c732e60e19e8e75c7239c43 AS builder
 
 ARG BUILD_CONTEXT