diff --git a/run.el b/run.el
new file mode 100644
index 0000000..5619d98
--- /dev/null
+++ b/run.el
@@ -0,0 +1,21 @@
+(defun update (version)
+  "update shen-elisp to shen VERSION."
+  (progn
+    (require 'org)
+    (shell-command
+     (concat
+      "curl -LO "
+      "https://github.com/Shen-Language/shen-sources/releases/download/shen-" version "/ShenOSKernel-" version ".zip"))
+    (shell-command   (concat "unzip " "ShenOSKernel-" version ".zip"))
+    (let ((dl-kl-dir (concat "ShenOSKernel-" version "/klambda/")))
+      (dolist (klfile
+               (nthcdr 2 (directory-files dl-kl-dir nil)))
+        (copy-file (concat dl-kl-dir klfile)
+                   (concat "KLambda/" klfile) t))
+      (message "Updated KLambda/, may need to update shen-elisp.org...")
+      (org-babel-tangle-file "shen-elisp.org")
+      (load-file "shen-primitives.el")
+      (load-file "install.el")
+      (runner))))
+
+(update "39.0")
diff --git a/shen-elisp.org b/shen-elisp.org
index 5eaff19..4b52e85 100644
--- a/shen-elisp.org
+++ b/shen-elisp.org
@@ -138,6 +138,7 @@ Once [[Assignments][the assigning mechanism]] is in place the spec requires some
   (shen/set '*release* emacs-version)
   (shen/set '*port* 1.7)
   (shen/set '*os* (symbol-name system-type))
+  (shen/set '*version* "S39.0")
 #+END_SRC
 ** Boolean Operations
 Unlike Elisp in KLambda booleans are ~false~ and ~true~, distinct symbols which