diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c430eee..e69f9a7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ on:
       - master
 
 env:
-  kernel: "6.6.38"
+  kernel: "6.6.40"
   GCS_BUCKET: images.metal-pod.io
 
 jobs:
diff --git a/Makefile b/Makefile
index 3eecb5a..5adbf9e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 .ONESHELL:
-KERNEL_VERSION := $(or ${KERNEL_VERSION},6.6.38)
+KERNEL_VERSION := $(or ${KERNEL_VERSION},6.6.40)
 
 .PHONY: all
 all: build