diff --git a/Dockerfile b/Dockerfile
index 2a3c570..7cbd9c6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,8 +29,8 @@ RUN set -x && \
     rm -fr /opt/unbound/share/man && \
     rm -fr /tmp/* /var/tmp/*
 
-ENV LIBSODIUM_VERSION 1.0.15
-ENV LIBSODIUM_SHA256 fb6a9e879a2f674592e4328c5d9f79f082405ee4bb05cb6e679b90afe9e178f4
+ENV LIBSODIUM_VERSION 1.0.16
+ENV LIBSODIUM_SHA256 eeadc7e1e1bcef09680fb4837d448fbdf57224978f865ac1c16745868fbd0533
 ENV LIBSODIUM_DOWNLOAD_URL https://download.libsodium.org/libsodium/releases/libsodium-${LIBSODIUM_VERSION}.tar.gz
 
 RUN set -x && \