diff --git a/Dockerfile b/Dockerfile
index be3cbe4..1434aaa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,8 +30,8 @@ RUN set -x && \
     echo /opt/libressl/lib > /etc/ld.so.conf.d/libressl.conf && ldconfig && \
     rm -fr /tmp/*
 
-ENV UNBOUND_VERSION 1.5.3
-ENV UNBOUND_SHA256 76bdc875ed4d1d3f8e4cfe960e6df78ee5c6c7c18abac11331cf93a7ae129eca
+ENV UNBOUND_VERSION 1.5.4
+ENV UNBOUND_SHA256 a1e1c1a578cf8447cb51f6033714035736a0f04444854a983123c094cc6fb137
 ENV UNBOUND_DOWNLOAD_URL http://www.unbound.net/downloads/unbound-${UNBOUND_VERSION}.tar.gz
 
 RUN set -x && \