diff --git a/docker/Dockerfile.linux.amd64 b/docker/Dockerfile.linux.amd64
index 36f1a1d..9746464 100644
--- a/docker/Dockerfile.linux.amd64
+++ b/docker/Dockerfile.linux.amd64
@@ -5,7 +5,7 @@ LABEL maintainer="Bo-Yi Wu <appleboy.tw@gmail.com>" \
   org.label-schema.vendor="Bo-Yi Wu" \
   org.label-schema.schema-version="1.0"
 
-ENV PACKER_VERSION 1.6.0
+ENV PACKER_VERSION 1.6.6
 ENV PACKER_ARCH amd64
 RUN wget -q https://releases.hashicorp.com/packer/${PACKER_VERSION}/packer_${PACKER_VERSION}_linux_${PACKER_ARCH}.zip -O packer.zip && \
   unzip packer.zip -d /bin && \
diff --git a/docker/Dockerfile.linux.arm b/docker/Dockerfile.linux.arm
index aa6921f..d165016 100644
--- a/docker/Dockerfile.linux.arm
+++ b/docker/Dockerfile.linux.arm
@@ -5,7 +5,7 @@ LABEL maintainer="Bo-Yi Wu <appleboy.tw@gmail.com>" \
   org.label-schema.vendor="Bo-Yi Wu" \
   org.label-schema.schema-version="1.0"
 
-ENV PACKER_VERSION 1.4.4
+ENV PACKER_VERSION 1.6.6
 ENV PACKER_ARCH arm
 RUN wget -q https://releases.hashicorp.com/packer/${PACKER_VERSION}/packer_${PACKER_VERSION}_linux_${PACKER_ARCH}.zip -O packer.zip && \
   unzip packer.zip -d /bin && \
diff --git a/docker/Dockerfile.linux.arm64 b/docker/Dockerfile.linux.arm64
index e43fa43..2ce94b4 100644
--- a/docker/Dockerfile.linux.arm64
+++ b/docker/Dockerfile.linux.arm64
@@ -5,7 +5,7 @@ LABEL maintainer="Bo-Yi Wu <appleboy.tw@gmail.com>" \
   org.label-schema.vendor="Bo-Yi Wu" \
   org.label-schema.schema-version="1.0"
 
-ENV PACKER_VERSION 1.4.4
+ENV PACKER_VERSION 1.6.6
 ENV PACKER_ARCH arm64
 RUN wget -q https://releases.hashicorp.com/packer/${PACKER_VERSION}/packer_${PACKER_VERSION}_linux_${PACKER_ARCH}.zip -O packer.zip && \
   unzip packer.zip -d /bin && \