diff --git a/guix-dev.scm b/guix-dev.scm
index 62b3836..7226227 100644
--- a/guix-dev.scm
+++ b/guix-dev.scm
@@ -42,7 +42,7 @@
              (srfi srfi-1))
 
 (define guile-knots
-  (let ((commit "d572f591a3c136bfc7b23160e16381c92588f8d9")
+  (let ((commit "c641c19ce42876b16186ea82f3803a56a43a5f91")
         (revision "1"))
     (package
     (name "guile-knots")
@@ -54,7 +54,7 @@
                     (commit commit)))
               (sha256
                (base32
-                "0g85frfniblxb2cl81fg558ic3cxvla7fvml08scjgbbxn8151gv"))
+                "1lnijs8cdifajy7n63v5cvhj5pd0abfxb0rj07mr67ihd4829d3d"))
               (file-name (string-append name "-" version "-checkout"))))
     (build-system gnu-build-system)
     (native-inputs