diff --git a/act_runtime/Dockerfile b/act_runtime/Dockerfile
index 2c6dc2b..487c189 100644
--- a/act_runtime/Dockerfile
+++ b/act_runtime/Dockerfile
@@ -4,6 +4,7 @@ ARG BASE_IMAGE=node:23-bookworm-slim
 FROM ${BASE_IMAGE}
 
 ARG LLVM_VERSION=16
+ARG TARGETARCH
 
 # common tools
 RUN --mount=type=cache,target=/var/lib/apt \
@@ -45,6 +46,13 @@ RUN --mount=type=cache,target=/var/lib/apt \
 
 # AWS CLI
 RUN --mount=type=cache,target=/tmp \
-    curl -o "/tmp/awscliv2.zip" "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" && \
-    unzip /tmp/awscliv2.zip -d /tmp && \
+    if [ "${TARGETARCH}" = "amd64" ]; then \
+    curl -o "/tmp/awscliv2.zip" "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip"; \
+    elif [ "${TARGETARCH}" = "arm64" ]; then \
+    curl -o "/tmp/awscliv2.zip" "https://awscli.amazonaws.com/awscli-exe-linux-aarch64.zip"; \
+    else \
+    echo "Unsupported architecture: ${TARGETARCH}"; \
+    exit 1; \
+    fi && \
+    unzip -o /tmp/awscliv2.zip -d /tmp && \
     /tmp/aws/install