diff --git a/README b/README
index 8e3a55cae837a73ac6173948da5942850f1aca5c..b97dff6487f45ed86a9228649d29d1525c18a6cd 100644
--- a/README
+++ b/README
@@ -24,6 +24,11 @@ Dependencies
   |      1fb8ce84b2e4329007a23c047a8ea211d629da00 \
   |      'D5BA 4708 FA7D 0AFD 9C0E  6556 ECD7 F82F 5327 404C'
   `----
+  In order to get a (hopefully) identically environment, you can run
+  ,----
+  | guix time-machine --commit=716f2b330fb0566e48423a7f928759a351e73850 -- \
+  |      shell -f guix.scm
+  `----
 
 
 [GNU Guix] <https://guix.gnu.org/>