diff --git a/.dir-locals.el b/.dir-locals.el
new file mode 100644
index 0000000..93367c6
--- /dev/null
+++ b/.dir-locals.el
@@ -0,0 +1,4 @@
+;;; Directory Local Variables
+;;; For more information see (info "(emacs) Directory Variables")
+
+(("gists/" . ((nil . ((eval . (read-only-mode)))))))