diff --git a/Cask b/Cask
index ce51cc3..d099274 100644
--- a/Cask
+++ b/Cask
@@ -7,5 +7,7 @@
 (package-file "org-krita.el")
 (files "*.el" ("resources" "resources/*"))
 
+(depends-on "f")
+
 (development
  (depends-on "buttercup"))
diff --git a/org-krita.el b/org-krita.el
index 0c1ac14..3484b99 100644
--- a/org-krita.el
+++ b/org-krita.el
@@ -4,7 +4,7 @@
 
 ;; Author: Abhinav Tushar <abhinav@lepisma.xyz>
 ;; Version: 0.1.0
-;; Package-Requires: ((emacs "26"))
+;; Package-Requires: ((emacs "26") (f "0.20.0"))
 ;; URL: https://github.com/lepisma/org-krita
 
 ;;; Commentary: