diff --git a/Dockerfile b/Dockerfile
index 8412bdf..00a9a28 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,8 @@
-FROM public.ecr.aws/aws-cli/aws-cli:2.17.20
+FROM alpine:3.20
+RUN apk --no-cache add ca-certificates libc6-compat \
+    && rm -rf /var/cache/apk/*
+RUN update-ca-certificates
 WORKDIR /usr/local/bin
-RUN curl -O https://rolesanywhere.amazonaws.com/releases/1.2.0/X86_64/Linux/aws_signing_helper
+RUN curl -O https://rolesanywhere.amazonaws.com/releases/1.2.1/X86_64/Linux/aws_signing_helper
 RUN chmod a+x aws_signing_helper
 USER 1000