diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index c834d50e94..15623b2d13 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -373,7 +373,7 @@ corresponding UPSTREAM-SOURCE (an origin), using the given DEBLOB-SCRIPTS."
 ;; The "longterm" kernels — the older releases with long-term upstream support.
 ;; Here are the support timelines:
 ;; <https://www.kernel.org/category/releases.html>
-(define-public linux-libre-5.15-version "5.15.77")
+(define-public linux-libre-5.15-version "5.15.78")
 (define-public linux-libre-5.15-gnu-revision "gnu")
 (define deblob-scripts-5.15
   (linux-libre-deblob-scripts
@@ -383,7 +383,7 @@ corresponding UPSTREAM-SOURCE (an origin), using the given DEBLOB-SCRIPTS."
    (base32 "048r4synfax2ajyzlmp672b68yshxwlfccdah2vz1kh88rqfmgsc")))
 (define-public linux-libre-5.15-pristine-source
   (let ((version linux-libre-5.15-version)
-        (hash (base32 "1yg9myqcv4kn2p7c9ap0z6xxh2qjsab2nbxf5z388skr6cgq8bql")))
+        (hash (base32 "16d4d4g5n2g6jpp8bvad1bm1l0b0nb4ckwsmq6w2g3538xrrzf8d")))
    (make-linux-libre-source version
                             (%upstream-linux-source version hash)
                             deblob-scripts-5.15)))