diff --git a/Dockerfile.dapper b/Dockerfile.dapper
index c9da5d9..18b605d 100644
--- a/Dockerfile.dapper
+++ b/Dockerfile.dapper
@@ -4,8 +4,8 @@ ARG DOWNLOADS=/usr/src/downloads
 
 FROM ${UBUNTU} AS ubuntu
 ARG DOWNLOADS
-ARG LINUX_FIRMWARE=linux-firmware=1.187.15
-ARG LINUX_SOURCE=linux-source-5.4.0=5.4.0-80.90
+ARG LINUX_FIRMWARE=linux-firmware=1.187.16
+ARG LINUX_SOURCE=linux-source-5.4.0=5.4.0-81.91
 ENV DEBIAN_FRONTEND=noninteractive
 RUN set -x \
  && apt-get --assume-yes update \