diff --git a/Dockerfile.dapper b/Dockerfile.dapper
index 18b605d..2f8a849 100644
--- a/Dockerfile.dapper
+++ b/Dockerfile.dapper
@@ -5,7 +5,7 @@ ARG DOWNLOADS=/usr/src/downloads
 FROM ${UBUNTU} AS ubuntu
 ARG DOWNLOADS
 ARG LINUX_FIRMWARE=linux-firmware=1.187.16
-ARG LINUX_SOURCE=linux-source-5.4.0=5.4.0-81.91
+ARG LINUX_SOURCE=linux-source-5.4.0=5.4.0-84.94
 ENV DEBIAN_FRONTEND=noninteractive
 RUN set -x \
  && apt-get --assume-yes update \