diff --git a/gnu/packages/backup.scm b/gnu/packages/backup.scm
index 8ac75b638a..00abacd0a9 100644
--- a/gnu/packages/backup.scm
+++ b/gnu/packages/backup.scm
@@ -743,14 +743,14 @@ (define-public attic
 (define-public wimlib
   (package
     (name "wimlib")
-    (version "1.13.2")
+    (version "1.13.3")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://wimlib.net/downloads/"
                                   "wimlib-" version ".tar.gz"))
               (sha256
                (base32
-                "0id9ym3hzij4kpdrk0sz3ijxp5r0z1md5jch83pml9hdy1zbx5bj"))))
+                "0zpsbl9iicc6y81xfl6kf8farwfsyrl63shc0idp654kgp8421wa"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("pkg-config" ,pkg-config)))