diff --git a/direnv.el b/direnv.el
index 87f8d2b..3ed8913 100644
--- a/direnv.el
+++ b/direnv.el
@@ -235,6 +235,13 @@ When FORCE-SUMMARY is non-nil or when called interactively, show a summary messa
     (with-editor-async-shell-command "direnv edit" nil nil))
   (direnv-update-environment))
 
+;;;###autoload
+(defun direnv-allow ()
+  "Run ‘direnv allow’ and update the environment afterwards."
+  (interactive)
+  (call-process (direnv--detect) nil 0 nil "allow")
+  (direnv-update-environment))
+
 ;;;###autoload
 (define-minor-mode direnv-mode
   "Global minor mode to automatically update the environment using direnv.