diff --git a/Justfile b/Justfile
index 9eede9a..897a7c6 100644
--- a/Justfile
+++ b/Justfile
@@ -5,4 +5,4 @@ dev:
     guix time-machine --channels=./channels.scm.lock -- shell --manifest=./manifest.scm
 
 update:
-    guix time-machine --channels=./channels.scm -- shell --container guix bash -- bash -c "guix describe --format=channels > ./channels.scm.lock"
+    guix time-machine --channels=./channels.scm -- describe --format=channels > ./channels.scm.lock
diff --git a/channels.scm.lock b/channels.scm.lock
index ea1bd99..7a4a527 100644
--- a/channels.scm.lock
+++ b/channels.scm.lock
@@ -3,7 +3,7 @@
         (url "https://git.savannah.gnu.org/git/guix.git")
         (branch "master")
         (commit
-          "1a34b9b725e731a6d5f602d104f09a1c68afa6a4")
+          "3689faac5c10249f052c979b527cba26054170d8")
         (introduction
           (make-channel-introduction
             "9edb3f66fd807b096b48283debdcddccfea34bad"