diff --git a/nongnu/packages/linux.scm b/nongnu/packages/linux.scm
index 61797be..2e080db 100644
--- a/nongnu/packages/linux.scm
+++ b/nongnu/packages/linux.scm
@@ -53,8 +53,8 @@
 on hardware which requires nonfree software to function.")))
 
 (define-public linux-5.4
-  (corrupt-linux linux-libre-5.4 "5.4.20"
-                 "1fv7bknwjyzh176rwn11dxvpymp97h5v94mhpdhxqx3hkb6nsgvr"))
+  (corrupt-linux linux-libre-5.4 "5.4.21"
+                 "1yjv8qg47kb4j4jkcpi9z7v07p0vz3gszpmhrfji5866j97748vd"))
 
 (define-public linux-4.19
   (corrupt-linux linux-libre-4.19 "4.19.105"