diff --git a/Dockerfile b/Dockerfile
index e3f9bae..d30b5a0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM golang:alpine
 
-ENV PACKER_VERSION=1.3.3
-ENV PACKER_SHA256SUM=efa311336db17c0709d5069509c34c35f0d59c63dfb05f61d4572c5a26b563ea
+ENV PACKER_VERSION=1.5.1
+ENV PACKER_SHA256SUM=3305ede8886bc3fd83ec0640fb87418cc2a702b2cb1567b48c8cb9315e80047d
 
 RUN apk add --update git bash wget openssl
 
@@ -18,4 +18,4 @@ RUN mkdir -p /work
 WORKDIR /work
 ENTRYPOINT ["packer"]
 
-CMD ["--help"]
\ No newline at end of file
+CMD ["--help"]