diff --git a/.github/workflows/vmlinux.h.yml b/.github/workflows/vmlinux.h.yml
index cdd8eec..bc38b73 100644
--- a/.github/workflows/vmlinux.h.yml
+++ b/.github/workflows/vmlinux.h.yml
@@ -16,9 +16,13 @@ jobs:
 
       - uses: actions/checkout@v4
 
-      - name: Download Linux source
-        shell: bash
-        run: ./scripts/download-latest-linux-release.sh
+      - name: Check out Linux source
+        uses: actions/checkout@v6
+        with:
+          repository: 'torvalds/linux'
+          ref: 'v6.18'
+          fetch-depth: 1
+          path: linux/
 
       - name: Install dependencies
         shell: bash
diff --git a/scripts/download-latest-linux-release.sh b/scripts/download-latest-linux-release.sh
deleted file mode 100755
index 11f03a6..0000000
--- a/scripts/download-latest-linux-release.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/bash
-
-set -eux
-
-sudo apt install -y curl jq tar xz-utils
-
-# pick the first stable release, it's usually the newest
-url=$(curl -s https://www.kernel.org/releases.json \
-        | jq -r '[.releases[] | select(.moniker == "mainline")][0].source')
-
-curl -LO "$url"
-tar -xf $(basename "$url")
-
-dir=$(basename "$url" | sed 's/\.tar\.[gx]z$//')
-mv $dir linux
-
-rm $(basename "$url")