diff --git a/hosts/common/home/zsh/default.nix b/hosts/common/home/zsh/default.nix
index 5055ddc9..ad818e9a 100644
--- a/hosts/common/home/zsh/default.nix
+++ b/hosts/common/home/zsh/default.nix
@@ -83,6 +83,11 @@ in
         pushd "$1";
       }
 
+      expiration=$(date -d "6 Mar" +%s)
+      today=$(date +%s)
+      days_until=$(( ($expiration - $today) / (24*60*60) ))
+      echo "You have $days_until days to renew your driver's license"
+
       # auto-cd into any of these dirs by typing them and pressing 'enter':
       hash -d 3rd="/home/colin/dev/3rd"
       hash -d dev="/home/colin/dev"