diff --git a/Dockerfile b/Dockerfile
index b1299ea..4362a89 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:1.85-alpine AS builder
+FROM public.ecr.aws/docker/library/rust:1.85.1-alpine AS builder
 
 RUN apk add --no-cache musl-dev openssl-dev openssl-libs-static
 
@@ -9,7 +9,7 @@ COPY src ./src
 
 RUN cargo build --release
 
-FROM alpine:3.21
+FROM public.ecr.aws/docker/library/alpine:3.21.8
 
 RUN apk add --no-cache ca-certificates tzdata curl