diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index 4ffc98f188..ae92b55118 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -390,7 +390,7 @@ (define-public linux-libre-5.13-pristine-source
 ;; 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-5.10-version "5.10.65")
+(define-public linux-libre-5.10-version "5.10.66")
 (define-public linux-libre-5.10-gnu-revision "gnu1")
 (define deblob-scripts-5.10
   (linux-libre-deblob-scripts
@@ -400,7 +400,7 @@ (define deblob-scripts-5.10
    (base32 "1a0k9i8gnzkyvfr80f8xw2fnxfwddhz1pzicz9fh0y3jzzkzk45p")))
 (define-public linux-libre-5.10-pristine-source
   (let ((version linux-libre-5.10-version)
-        (hash (base32 "0riyq1gdm18642fpnhpcw8hspcjqzprzhqnygjxabjjvrvdxxlzd")))
+        (hash (base32 "19y8zh6wvjzj55kynfpgm3zbapyhwsqkgilycvmbjr6ipfxhdyjx")))
    (make-linux-libre-source version
                             (%upstream-linux-source version hash)
                             deblob-scripts-5.10)))