diff --git a/gnu/packages/diffoscope.scm b/gnu/packages/diffoscope.scm
index 091a622f1b..8d3256a640 100644
--- a/gnu/packages/diffoscope.scm
+++ b/gnu/packages/diffoscope.scm
@@ -79,7 +79,8 @@
 (define-public diffoscope
   (package
     (name "diffoscope")
-    (version "308")
+    ;; Use git snapshot to fix tests using u-boot-tools 2026.01
+    (version "311-2-ge4ec97f7")
     (source
      (origin
        (method git-fetch)
@@ -88,7 +89,7 @@
              (commit version)))
        (file-name (git-file-name name version))
        (sha256
-        (base32 "0g4kac0r2plhcl3drpihp2z99yfqlz36xvvfr4v6sn49zj103kny"))))
+        (base32 "1nk8di19r5x5jwb2jh1m7mzj109z2a2axikysijz2hm7m30wjkq7"))))
     (build-system pyproject-build-system)
     (arguments
      (list