diff --git a/.buildkite/Dockerfile b/.buildkite/Dockerfile
index 2bf3886dc..61668567d 100644
--- a/.buildkite/Dockerfile
+++ b/.buildkite/Dockerfile
@@ -1,5 +1,5 @@
 ARG NODE_VERSION=${NODE_VERSION:-18}
-FROM node:$NODE_VERSION
+FROM node:latest@sha256:1745a99b66da41b5ccd6f7be3810f74ddab16eb4579de10de378adb50d2e6e6f:$NODE_VERSION
 
 # Install required tools
 RUN apt-get clean -y && \
diff --git a/.buildkite/Dockerfile-make b/.buildkite/Dockerfile-make
index 3805eb0a2..e48d909cd 100644
--- a/.buildkite/Dockerfile-make
+++ b/.buildkite/Dockerfile-make
@@ -1,5 +1,5 @@
 ARG NODE_JS_VERSION=${NODE_JS_VERSION:-18}
-FROM node:${NODE_JS_VERSION}
+FROM node:latest@sha256:1745a99b66da41b5ccd6f7be3810f74ddab16eb4579de10de378adb50d2e6e6f:${NODE_JS_VERSION}
 
 ARG BUILDER_UID=1000
 ARG BUILDER_GID=1000