diff --git a/third_party/linux/external.bzl b/third_party/linux/external.bzl
index 5f25243..1690205 100644
--- a/third_party/linux/external.bzl
+++ b/third_party/linux/external.bzl
@@ -19,6 +19,7 @@
 def linux_external(name, version):
     sums = {
         "5.4.7": "abc9b21d9146d95853dac35f4c4489a0199aff53ee6eee4b0563d1b37079fcc9",
+        "5.6": "e342b04a2aa63808ea0ef1baab28fc520bd031ef8cf93d9ee4a31d4058fcb622",
     }
     http_archive(
         name = name,