1 files changed, 4 insertions, 1 deletions

diff --git a/readme.md b/readme.md
index c407fae..fbca787 100644
--- a/readme.md
+++ b/readme.md
@@ -25,7 +25,10 @@ much like a certain text editor.
 
 Get `dijo` by running the following at the nearest prompt:
 
-```
+```shell
+# dijo requires rustc >= v1.42
+$ rustup update
+
 $ cargo install dijo
 ```