diff --git a/Dockerfile b/Dockerfile
index d81b90a..29479e1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,9 +9,9 @@
 # to work around segmentation fault issues.
 FROM golang:1.13-alpine
 ARG HUGO=hugo
-ARG HUGO_VERSION=0.72.0
-ARG HUGO_SHA=28353611210d48c681f1f83a64ce36972d010e751f2794122db80f5060fe933d
-ARG HUGO_EXTENDED_SHA=11c46ecc3ad6d96f94515358e5528d01dfe88f4956b56027c85e9a516348ef12
+ARG HUGO_VERSION=0.73.0
+ARG HUGO_SHA=7238b1b39d50667190020c93370bb2727d9097226cb3147c982d4d40004da09f
+ARG HUGO_EXTENDED_SHA=dd7ea5d7f9d2a512359fcd51f94a2e5c7ab34d1a325dbf3ea675bc5c7f5082f3
 RUN set -eux && \
     case ${HUGO} in \
       *_extended) \